Linux Intrusion Detection System FAQ

Omo Kazuki - Translator, v.20J, August 8th, 2003

       omok AT honto DOT info
      

Kurashiki Satoru - Translator, v.17J, Mar 8th, 2002

       ouka AT fx DOT sakura DOT ne DOT jp
      

Sander Klein

lids AT roedie DOT nl

v.20, May 19th, 2003

偙傟偼丄Linux 怤擖専抦僔僗僥儉 (LIDS) 偺FAQ 偱偡丅偙傟傜偺幙栤偼丄庡偵
LIDS-mailling-list 偱幙栤偝傟偨傕偺偱偡丅  

偙偺僪僉儏儊儞僩偺帪揰偱儕儕乕僗偝傟偰偄傞LIDS 偺僶乕僕儑儞偼埲壓偵側傝
傑偡:

 丒 Kernel 2.4: 1.1.1 (stable) 1.1.2-rc6 (developement)
   
 丒 Kernel 2.2: 0.11.0r2 (stable) 0.11.1pre1 (development)
   
 丒 Kernel 2.5: 2.0.3rc1 (development)
   
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Table of Contents
1. LIDS 擖栧
   
    1.1. LIDS 偲偼壗偱偡偐丠
    1.2. 側偤LIDS 傪巊偆偺偱偡偐丠
    1.3. LIDS 偼偳偙偱擖庤偡傞偙偲偑偱偒傑偡偐丠
    1.4. 偳偺僶乕僕儑儞偺Linux 僇乕僱儖偑僒億乕僩偝傟偰偄傑偡偐丠
    1.5. LIDS 偺儊乕儕儞僌儕僗僩偼偁傝傑偡偐丠
    1.6. 傾乕僇僀僽偼偳偆側偭偰偄傑偡偐丠
    1.7. 挊嶌尃偲拲堄彂偒
    1.8. 僼傿乕僪僶僢僋
    1.9. 僋儗僕僢僩
    1.10. 東栿
    1.11. 峏怴棜楌
    1.12. To-do
    1.13. 偙偺 FAQ 偼偳偙偐傜擖庤偱偒傑偡偐丠
   
2. LIDS 偺僀儞僗僩乕儖
   
    2.1. LIDS 僇乕僱儖僷僢僠偼偳偆傗偭偰摉偰傞偺偱偡偐丠
    2.2. LIDS 偺娗棟儐乕僥傿儕僥傿 (lidsadm 偲 lidsconf) 傪僀儞僗僩乕儖
        偡傞曽朄偼丠
    2.3. 師偼丠
    2.4. lidsadm 傪僐儞僷僀儖偟傛偆偲偟偨傜丄gcc 偵 lidstext.h 偑側偄丄
        偲偄傢傟傑偟偨丅偙偺栤戣偼偳偆傗偭偰夝寛偡傟偽偄偄偺丠
    2.5. Debian 儐乕僓傊偺拲堄乧乧
    2.6. LIDS 偺僷僢僠傪 RedHat 偺僇乕僱儖 2.x.x-x 偵偁偰傛偆偲偟偨傜丄
        僄儔乕偵側傝傑偟偨丅壗偑埆偄偺丠
   
3. lidsadm 偲 lidsconf
   
    3.1. lidsadm 偲偼壗偱偡偐丠
    3.2. lidsconf 偲偼壗偱偡偐丠
    3.3. lidsadm 偱巊偊傞僆僾僔儑儞偼壗偑偁傝傑偡偐丠
    3.4. lidsconf 偱巊偊傞僆僾僔儑儞偼壗偑偁傝傑偡偐丠
    3.5. 慺惏傜偟偄丅偱丄偙傟傜偺尃尷偼偳偆偄偆傕偺側偺丠
   
4. LIDS 偺娗棟
   
    4.1. LIDS 偺僷僗儚乕僪傪愝掕偡傞偵偼偳偆偡傟偽偄偄偱偡偐丠
    4.2. 堦搙愝掕偝傟偨 LIDS 僷僗儚乕僪傪曄峏偡傞偵偼偳偆偡傟偽傛偄偱偡
        偐丠
    4.3. LIDS 僼儕乕僙僢僔儑儞偲偼壗丠丂偳偆傗偭偰嶌傟偽偄偄偺丠
    4.4. LIDS 僼儕乕僙僢僔儑儞傪嶌偭偨偗偳丄LIDS 偑傑偩桳岠偵側偭偰傞傒
        偨偄両丂壗偑傑偢偄偺丠
    4.5. LIDS 偵愝掕僼傽僀儖傪儕儘乕僪偝偣傞偵偼偳偆偡傟偽偄偄偺丠
    4.6. 彆偗偰両両両丂巹偺僔僗僥儉偑姰慡偵巊偊側偔側偭偰偟傑偄傑偟偨両
        丂偳偆偡傟偽偄偄偱偟傚偆丠
    4.7. 僔僗僥儉僶僀僫儕傪曄峏/堏摦偟傑偟偨丅僼傽僀儖偑曄峏/堏摦偟偨偙
        偲傪 LIDS 偵嫵偊傞偵偼偳偆偡傞偺偱偡偐丠
    4.8. 偠傖偁丄嵞婲摦偣偢偵 LIDS 傪姰慡偵柍岠偵偡傞曽朄偼丠
    4.9. "僇乕僱儖傪晻報偡傞"偲偼偳偆偄偆偙偲偱偡偐丠
    4.10. LIDS 僔僗僥儉偺忬懺傪尒傞偵偼偳偆偡傟偽偄偄偺丠
    4.11. LIDS 偺億乕僩僗僉儍儞専抦傪愝掕偡傞偵偼偳偆偡傟偽偄偄偱偡偐丠
    4.12. LIDS 偺 --> --ACL 偵偍偗傞 subject 偲object 偲偼側傫偱偡偐丠
    4.13. /etc/lids/lids.cap 傪廋惓偟偰愝掕僼傽僀儖傪儕儘乕僪偡傞埲奜偵
        僔僗僥儉偺尃尷傪桳岠/柍岠偵偡傞偙偲偼偱偒傑偡偐丠
    4.14. LIDS 偺 ACL 傪嵞愝掕偟偨偺偵丄曄峏偑斀塮偝傟偰偄側偄傛偆偵尒
        偊傑偡丅壗偑埆偄偺偱偟傚偆丠
    4.15. lidsconf -L 偑巹偺 ACL 傪昞帵偟偰偔傟側偄偺偱偡偑丠
    4.16. 僐儞僜乕儖偵曬崘偝傟傞偨偔偝傫偺 LIDS 堘斀傪偳偆偵偐偟偰尭傜
        偣側偄偺丠
    4.17. LIDS 傪巊偆帪偼丄LD_PRELOAD 娐嫬曄悢偵拲堄偟偨曽偑偄偄偱偡偐
        丠
    4.18. 婲摦偟偨帪丄"read password file error" 偲偄偆儊僢僙乕僕偑昞帵
        偝傟傑偡丅偙偺栤戣傪捈偡偵偼偳偆偡傟偽傛偄偱偟傚偆丠
    4.19. LIDS 偑桳岠偐柍岠偐傪挷傋傞偵偼偳偆偡傟偽偄偄偺丠
   
5. LIDS 偺愝掕
   
    5.1. 僼傽僀儖傪撉傒偲傝愱梡偵偟偰曐岇偡傞曽朄偼丠
    5.2. OK, 偠傖偁僨傿儗僋僩儕傪撉傒偲傝愱梡偵偡傞偵偼偳偆偡傟偽丠
    5.3. 扤偐傜傕僼傽僀儖/僨傿儗僋僩儕傪塀偡偙偲偼偱偒傑偡偐丠
    5.4. 捛婰偟偐偱偒側偄傛偆偵儘僌僼傽僀儖傪曐岇偡傞曽朄偼丠
    5.5. /etc/shadow 僼傽僀儖傪撉傓偺偵丄壗傕嫋壜偑側偗傟偽丄偳偆傗偭偰
        巹偼僔僗僥儉偵擣徹偝傟傞偺丠
    5.6. /etc 傪撉傒偲傝愱梡偱曐岇偟偨傜丄mount 偼偳偆傗偭偰 /etc/mtab
        傊彂偒偙傒傪偡傞偺偱偟傚偆丠
    5.7. LIDS 偑丄婲摦帪偵 modules.dep 僼傽僀儖偵彂偒偙傔側偄丄偲暥嬪傪
        尵偄傑偡丅壗偑埆偄偺偱偡偐丠
    5.8. 儘僌傪捛婰愱梡偱曐岇偟偰偄傞偲丄logrotated 偼偳偆傗偭偰儘僌傪
        儘乕僥乕僩偡傞偺偱偟傚偆丠
    5.9. 側偤丄扨弮偵儘僌儘乕僥乕僔儑儞儐乕僥傿儕僥傿偵儘僌僼傽僀儖偺偁
        傞僨傿儗僋僩儕傊偺彂偒偙傒嫋壜傪梌偊傞曽朄偱丄偦傟傜傪儘乕僥乕
        僩偡傞傛偆偵偟偰偼偄偗側偄偺偱偡偐丠
    5.10. LIDS 偑桳岠側帪丄僔儍僢僩僟僂儞傑偱僼傽僀儖僔僗僥儉偑傾儞儅僂
        儞僩弌棃傑偣傫丅偳偆偡傟偽傛偄偱偟傚偆丠
    5.11. 側偤摿尃億乕僩傪巊偆僒乕價僗偑 root 偱奐巒偱偒側偄偺偱偡偐丠
    5.12. 側偤摿尃億乕僩傪巊偆僒乕價僗傪 LFS 偐傜奐巒偱偒側偄偺偱偡偐丠
    5.13. 尃尷傪柍岠/桳岠偵偡傞曽朄偼丠
    5.14. LIDS 偑桳岠偵側偭偰偄傞偲 X Window System 偑摦嶌偟側偄偺偼側
        偤偱偡偐丠
    5.15. 偙傟傜 ACL 慡偰偵懳偟偰丄巹偼堦懱慡懱偳偆傗偭偰帺暘偺愝掕傪攃
        埇偟偰偍偗偽傛偄偺偱偟傚偆丠
    5.16. 婲摦偲僔儍僢僩僟僂儞偺帪偵 LIDS 偑暥嬪傪尵傢側偄傛偆偵丄init
        偵 /etc/initrunlvl 傊偺彂偒偙傒傾僋僙僗傪嫋偡偵偼偳偆偡傟偽偄偄
        偱偡偐丠
    5.17. 僾儘僙僗偼丄恊僾儘僙僗偐傜偦偺僼傽僀儖 ACL 傪宲彸偱偒傑偡偐丠
    5.18. 彆偗偰両丂LIDS 偺傕偲偱偼丄僾儘僌儔儉 xyz 偑摦嶌偟側偄傛偆偱
        偡丅偳偺僼傽僀儖/尃尷偵傾僋僙僗偡傞昁梫偑偁傞偺偐丄偳偆傗偭偰寛
        傔傞偺偱偟傚偆丠
    5.19. /etc/shadow 僼傽僀儖傪峏怴偡傞揔愗側僷乕儈僢僔儑儞傪 passwd
        偵梌偊傞偵偼偳偆偡傟偽偄偄偱偡偐丠
    5.20. LIDS 偑桳岠偵側偭偰偄傞偲丄ssh 傗 scp 偑摦嶌偟側偄偺偼壗屘偱
        偡偐丠
    5.21. OpenSSH 偑婲摦帪偵奐巒偝傟傑偣傫丅LIDS 偼 bash 偑塀偟僼傽僀儖
        偵傾僋僙僗偟傛偆偲偟偰偄傞丄偲儗億乕僩傪弌偟偰偄傑偡丅偙傟偼偳
        偆偡傟偽捈傝傑偡偐丠
    5.22. 塀偟僾儘僙僗偑憱偭偰偄傞偨傔丄僔儍僢僩僟僂儞帪偵僼傽僀儖僔僗
        僥儉偺偄偔偮偐偑傾儞儅僂儞僩偱偒傑偣傫丅偳偆偡傟偽偦傟傜傪 kill
        偱偒傑偡偐丠
    5.23. 婎杮揑側愝掕偐傜巒傔偨偄偩偗側傫偱偡丅捛壛偺曐岇傪採嫙偟偰偔
        傟偰丄偝傜偵僔僗僥儉偺婡擻偺傎偲傫偳傪捠忢捠傝偵偟偰偍偄偰偔傟
        傞偍姪傔偺僙僢僩傾僢僾偼偁傝傑偡偐丠
    5.24. 擔帪傪傕偲偵偟偰傾僋僙僗傪惂尷偡傞偙偲偼偱偒傑偡偐丠
    5.25. 僾儘僌儔儉偑僶僀儞僪偱偒傞億乕僩傪惂尷偡傞偵偼偳偆偡傟偽偄偄
        偺丠
    5.26. /etc/mtab 傪 /proc/mounts 傊偺僔儞儃儕僢僋儕儞僋偵偟偰傕丄儐
        乕僓僋僆乕僞偼婡擻偟傑偡偐丠
    5.27. LIDS 偑曐岇偟偰偄傞僼傽僀儖傪曇廤偡傞偲丄LIDS 偵曐岇偝傟側偔
        側傞傛偆偱偡丅側偤偱偡偐丠
    5.28. LIDS 偺愝掕傪峏怴偟偨傜丄偄偔偮偐偺僾儘僙僗偑尃尷傪幐偭偪傖偆
        傛偆偱偡
   
6. 僙僉儏儕僥傿寈崘偺愝掕
   
    6.1. 僱僢僩儚乕僋墇偟偵僙僉儏儕僥傿寈崘傪憲傞偵偼丄偳偺僇乕僱儖愝掕
        僆僾僔儑儞偑昁梫偱偡偐丠
    6.2. LIDS 偺寈崘傪憲傞儊乕儖僒乕僶偲 e-mail 傾僪儗僗偺忣曬偼丄偳偙
        偱巜掕偡傟偽偄偄偺偱偡偐丠
    6.3. LIDS 偑丄巹偺 qmail SMTP 僒乕僶偵偼寈崘傪攝怣偟偰偔傟側偄傛偆
        偱偡丅偙傟偼捈偣傑偡偐丠
   
7. 愝掕偺僒儞僾儖
   
    7.1. 婎杮揑側僔僗僥儉偺僙僢僩傾僢僾
    7.2. Apache
    7.3. Qmail
    7.4. Dnscache & Tinydns (djbdns)
    7.5. Courier-imap
    7.6. MySQL
    7.7. OpenSSH (3.4p1)
    7.8. OpenLDAP (slapd)
    7.9. Port Sentry
    7.10. Samba
    7.11. Linux HA heartbeat
    7.12. Bind 9.x
    7.13. Sendmail
    7.14. Apcupsd
    7.15. Pump
    7.16. Snort
    7.17. Getty
    7.18. Login
    7.19. Su
    7.20. Exim
    7.21. Qpopper
    7.22. Proftp
    7.23. Aproxy
    7.24. Squid
    7.25. Innd
    7.26. Postfix
   
8. LIDS 僥僋僯僇儖
   
    8.1. LIDS 偼 ext2 埲奜偺僼傽僀儖僔僗僥儉偱傕摦嶌偟傑偡偐丠
    8.2. LIDS 偼 SMP 偺僔僗僥儉偱摦嶌偟傑偡偐丠
    8.3. LIDS 偼 Solar Designer 偺 Openwall 僷僢僠偲嫟懚偟傑偡偐丠
    8.4. LIDS 偼旕僀儞僥儖側僴乕僪僂僃傾忋偱摦嶌偟傑偡偐丠
    8.5. LIDS 偺僶乕僕儑儞 0.x, 1.x 偲 2.x 偲偺堘偄偼壗偱偡偐丠
   
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 1. LIDS 擖栧

1.1. LIDS 偲偼壗偱偡偐丠

 LIDS 偼丄Xie Huagang <mailto:xie@gnuchina.org> 偲Philippe Biondi
<mailto:philippe.biondi@webmotion.com> 偵傛偭偰彂偐傟偨丄Linux 僇乕僱儖
偺奼挘偱偡丅慺偺Linux 僇乕僱儖偵偼側偄丄偄偔偮偐偺僙僉儏儕僥傿婡擻傪幚
憰偟傑偡丅偙傟傜偼丄亅嫮惂傾僋僙僗惂屼(MAC)丄億乕僩僗僉儍儞専抦丄僼傽僀
儖曐岇(root 偐傜傕曐岇偟傑偡)丄僾儘僙僗曐岇側偳偱偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.2. 側偤LIDS 傪巊偆偺偱偡偐丠

尰嵼偺Linux 偺婡峔偼丄偨偔偝傫偺 *nix 偵桼棃偡傞丄懡偔偺栤戣傪書偊偰偄
傑偡丅偍偦傜偔丄桞堦偵偟偰嵟戝偺栤戣偼丄root 傾僇僂儞僩偑 "慡擻偱偁傞偙
偲" 偱偡丅僾儘僙僗傗儐乕僓偑root 摿尃傪帩偭偰偄偰丄偦偺僾儘僙僗傗儐乕僓
偑僔僗僥儉傪姰慡偵攋夡偟傛偆偲偟偨傜丄扤偵傕巭傔傜傟傑偣傫丅埆堄偺偁傞
儐乕僓/怤擖幰偵傛傞root 傾僋僙僗偼丄変乆懡朲側娗棟幰偵丄懡戝側怱楯傪傕
偨傜偟偐偹傑偣傫丅LIDS 偼丄嫮戝側root 傾僇僂儞僩傪巊偊傞恖偱偝偊僔僗僥
儉偵懳偟戝崿棎傪傂偒偍偙偣側偄傛偆側巇慻傒偱偁傞傾僋僙僗惂屼儕僗僩(ACL)
傪幚憰偟偰偄傑偡丅偙偆偄偭偨ACL 偵傛傝丄LIDS 偼僾儘僙僗偺傒側傜偢僼傽僀
儖傪傕曐岇偡傞偙偲偑偱偒傞偺偱偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.3. LIDS 偼偳偙偱擖庤偡傞偙偲偑偱偒傑偡偐丠

http://www.lids.org 偐丄傕偟偔偼儈儔乕僒僀僩偐傜僟僂儞儘乕僪偱偒傑偡丅
儈儔乕僒僀僩偺儕僗僩偼丄 http://www.lids.org/mirrors.html偵偁傝傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.4. 偳偺僶乕僕儑儞偺Linux 僇乕僱儖偑僒億乕僩偝傟偰偄傑偡偐丠

 尰嵼丄LIDS 偼怴偟偄 2.4 僇乕僱儖偺懠偵丄2.2 僇乕僱儖傕僒億乕僩偟偰偄傑
偡丅 LIDS 偺奐敪偼 2.5 僇乕僱儖傪巊偭偰峴傢傟偰偄傑偡丅偱偡偐傜丄怴偟偄
婡擻偼愭偵偦偪傜偱幚憰偝傟傑偡丅偲偼偄偊丄儐乕僓偺僯乕僘偵傛偭偰丄2.4
偁傞偄偼 2.2 僇乕僱儖偵僶僢僋億乕僩偝傟傞婡擻傕偁傝傑偡丅LIDS偺嵟怴僶乕
僕儑儞偱偼丄LSM (Linux Security Modules <http://lsm.immunix.org>)偺婡擻
傕庢傝崬傫偱偄傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.5. LIDS 偺儊乕儕儞僌儕僗僩偼偁傝傑偡偐丠

偁傝傑偡丅偄偮偱傕 lids-users@lists.sourceforge.net 偵 e-mail 偡傟偽丄
儊乕儕儞僌儕僗僩傊偺搳峞偵側傝傑偡丅偨偩偟丄儊乕儕儞僌儕僗僩傊億僗僩偝
傟偨儊僢僙乕僕傪庴偗偲傝偨偄側傜偽丄搊榐偡傞昁梫偑偁傝傑偡丅搊榐偡傞偵
偼丄http://lists.sourceforge.net/lists/listinfo/lids-user < http://
lists.sourceforge.net/lists/listinfo/lids-user> 傊峴偒丄僼僅乕儉傪杽傔
偰偔偩偝偄丅偡傞偲丄妋擣梫媮偑撏偒傑偡偺偱丄偦傟偵曉怣偟偰偔偩偝偄丅偦
偺儁乕僕偐傜丄搊榐夝彍偲儊乕儕儞僌儕僗僩僆僾僔儑儞偺曄峏傕偱偒傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.6. 傾乕僇僀僽偼偳偆側偭偰偄傑偡偐丠

儊乕儕儞僌儕僗僩偺傾乕僇僀僽偼 http://www.geocrawler.com/lists/3/
SourceForge/9348/0/ <http://www.geocrawler.com/redir-sf.php3?list=
lids-user> 偵偁傝傑偡丅屆偄傾乕僇僀僽偼 http://groups.yahoo.com/group/
lids 偵抲偄偰偁傝傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.7. 挊嶌尃偲拲堄彂偒

偙偺暥彂偼丄copyright(c) 2000, 2001, 2002 Steve Bremer -- 2002, 2003
for Sander Klein 偱丄FREE 側傕偺偱偡丅GNU General Public License 偺傕偲
偵嵞攝晍偡傞偙偲偑偱偒傑偡丅 

偙偺暥彂偵偁傞忣曬偼丄Sander 偺抦幆偺尷傝偵偍偄偰丄惓妋偱偡丅偲偼偄偊恖
娫偱偡偐傜丄偦偺帪乆偵偍偄偰岆傝傗僶僌側偳偼偁傝摼傑偡丅

偳傫側屄恖傗僌儖乕僾丄偁傞偄偼懠偺庡懱傕丄偙偺暥彂偵偁傞忣曬傪巊偆偙偲
偵傛傞偁側偨偺僐儞僺儏乕僞傊偺旐奞傗壗偐懠偺懝幐偺愑擟傪晧偆偙偲偼偁傝
傑偣傫丅偡側傢偪亅

"挊幰偍傛傃慡儊儞僥僫偼丄偙偺暥彂偵偁傞忣曬偵婎偄偰側偝傟偨峴摦偵傛傝旐
偭偨偄偐側傞旐奞偵傕愑擟傪晧偄傑偣傫丅"

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.8. 僼傿乕僪僶僢僋

偙偺暥彂偵懳偟偰幙栤丄僐儊儞僩丄採埬傗廋惓偑偁傞側傜丄偍婥寉偵 lids AT
roedie DOT nl <mailto:lidsATroedieDOTnl>偱巹偵僐儞僞僋僩傪偲偭偰偔偩偝
偄丅椙偄傕偺偱偁傟埆偄傕偺偱偁傟丄偄偮偱傕僼傿乕僪僶僢僋偼娊寎偟傑偡両

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.9. 僋儗僕僢僩

摿暿偺幱堄傪亅

 丒 Xie Huagang - 僥僋僯僇儖僄僨傿僞偱偁傝丄LIDS 偺嶌幰
   
     仩 LIDS version偵偮偄偰偺幙栤
       
     仩 Subject/object偵偮偄偰偺幙栤
       
 丒 Philippe Biondi - LIDS 偺嶌幰
   
 丒 Andy Harrelson - 暥朄/捲傝偺娔廋
   
 丒 Rob Willis - Open-SSH, OpenLDAP, 偦傟偲 Port Sentry 偺愝掕椺
   
 丒 Fred Mobach - 傂傜傔偒偲掶惓
   
 丒 David Ranch - 巹偼丄sgml 偺僥儞僾儗乕僩偵丄斵偺慺惏傜偟偄 Linux IP
    Masquerade HOWTO <http://www.linuxdoc.org/HOWTO/
    IP-Masquerade-HOWTO.html> 傪巊偄傑偟偨丅
   
 丒 Austin Gonyou -
   
     仩 FAQ 傊偺桳塿側僼傿乕僪僶僢僋
       
     仩 lidsadm 偺僐儞僷僀儖偺栤戣傊偺怴偟偄廋惓
       
     仩 /etc/passwd 僼傽僀儖偺 i 僲乕僪峏怴偵偮偄偰偺寈崘
       
 丒 Pavel Epifanov - lidsadm 偺僐儞僷僀儖偺栤戣傊偺娙扨側廋惓
   
 丒 Justus Pendleton - Samba 偺愝掕僒儞僾儖
   
 丒 Nenad Micic
   
     仩 塀偟僾儘僙僗傪 kill 偡傞僗僋儕僾僩偺椺
       
     仩 僔儍僢僩僟僂儞帪偵塀偟僾儘僙僗傪 kill 偡傞 C 僾儘僌儔儉
       
     仩 LD_PRELOAD 寈崘
       
 丒 Bill Phillips - PDF 僶乕僕儑儞偵偍偗傞丄懡悢偺嶲徠儈僗偺巜揈
   
 丒 Szymon Juraszczyk
   
     仩 LD_PRELOAD 寈崘
       
 丒 Lorn Kay -
   
     仩 Linu HA 梡偺僴乕僩價乕僩偺愝掕
       
     仩 Sendmail 偺愝掕
       
 丒 Bill McKenzie - Portsentry 偺愝掕偵懳偡傞捛壛
   
 丒 Sander Klein
   
     仩 LIDS 偑桳岠偐柍岠偐偺僠僃僢僋偵娭偡傞幙栤.
       
     仩 Apcupsd 偺愝掕
       
     仩 Pump 偺愝掕
       
     仩 Snort 偺愝掕
       
     仩 getty 偺愝掕
       
     仩 login 偺愝掕
       
     仩 su 偺愝掕
       
 丒 David Spreen - 帪娫尷掕偺寈崘偲 crontab 傊偺傾僋僙僗惂尷.
   
 丒 Thomas Linden - BIND 9.x 偺愝掕傪採嫙
   
 丒 Mathias Gygax - exim, qpopper 偲 proftp 偺僒儞僾儖愝掕傪採嫙
   
 丒 Dimitri Goldin - /dev/pts偑儅僂儞僩偝傟偰偄偰丄曐岇偝傟偰偄側偄忬懺
    偱偼丄root儐乕僓乕偑LIDS偺僷僗儚乕僪傪庢摼偱偒偰偟傑偆帠傪巜揈
   
 丒 BigSam - Innd 偺愝掕.
   
 丒 Ralf Dreibrodt - Innd 偺愝掕.
   
 丒 Steve Bremer - 偙偺暥彂傪彂偒偼偠傔偰偔傟偨偙偲偵丅巹偑 LIDS傪弶傔
    偰巊梡偟偨帪偵丄偲偰傕彆偗偵側傝傑偟偨
   
" Linux 偼 Linus Torvalds 偺搊榐彜昗偱偡 "

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.10. 東栿

師偺儕僗僩偼丄偙偺暥彂偺東栿偱偡

 丒 Japanese -- http://www.linux.or.jp/JF/JFdocs/LIDS-FAQ.html
   
 丒 Polish -- http://www.linuxpub.pl/man/lidsfaq/.
   
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.11. 峏怴棜楌

偙偺FAQ偺嵟怴斉偼 http://www.roedie.nl/lids-faq/偵偁傝傑偡丅僶僌傪曬崘
偡傞慜偵丄嵟怴僶乕僕儑儞傪僠僃僢僋偟偰偔偩偝偄

 丒 May 19th, 2003. Version .20
   
     仩 Postfix 偺椺傪捛壛
       
     仩 Openssh 偺椺傪峏怴
       
     仩 1.1.0埲慜偺僶乕僕儑儞偺lids偺丄僐儞僷僀儖売強傪嶍彍
       
     仩 '/etc/lids僨傿儗僋僩儕偑尒偊傑偣傫'偺売強傪嶍彍
       
     仩 尃尷偺憆幐偵娭偡傞幙栤傪捛壛
       
     仩 尃尷僙僋僔儑儞偺廋惓
       
     仩 偝傑偞傑側嵶偐偄廋惓
       
 丒 December 22th, 2002. Version .19
   
     仩 偙傟偼巹(Sander Klein)偑儕儕乕僗偡傞嵟弶偺僶乕僕儑儞偺LIDS FAQ
        偱偡丅Steve偵姶幱
       
     仩 lidsadm -P傪lidsconf -P偵抲偒姺偊偨
       
     仩 偝傑偞傑側売強傪嵟怴偺忣曬偵彂偒姺偊偨
       
     仩 僪僉儏儊儞僩傪docbook僼僅乕儅僢僩偺ldp僗僞僀儖偵彂偒姺偊偨
       
     仩 尃尷僙僋僔儑儞偺捛壛
       
     仩 偄偔偮偐偺URL傪惓偟偄傕偺偵曄峏偟偨
       
 丒 April 27th, 2002. Version .18
   
     仩 偙傟偼丄巹 (Steve Breme)偑採嫙偡傞嵟屻偺LIDS FAQ偵側傝傑偡丅
        Sander Klein偑偙偺FAQ偺丄怴偟偄儊儞僥僫儞僗幰偵側傝傑偡丅
       
     仩 aproxy 愝掕椺偺捛壛
       
     仩 /dev/pts 寈崘偺捛壛
       
     仩 squid 愝掕椺偺捛壛
       
     仩 PowerPC status 偺傾僢僾僨乕僩
       
     仩 Innd 愝掕椺偺捛壛
       
     仩 偦偺懠偺嵶偐偄掶惓
       
 丒 January 28th, 2002. Version .17
   
     仩 "READ" 偐傜 "READONLY" 傊偺曄峏
       
 丒 January 12th, 2002. Version .16
   
     仩 僶乕僕儑儞1.1.0梡偺丄條乆側曄峏
       
     仩 嵶偐側廋惓
       
     仩 exim, qpopper, 偲 proftp偺丄愝掕椺偺捛壛
       
     仩 console logging 偺幙栤偺傾僢僾僨乕僩
       
     仩 LD_PRELOAD 寈崘偺傾僢僾僨乕僩
       
     仩 file ACL inheritance 偺幙栤偺傾僢僾僨乕僩
       
     仩 僼傽僀儖偺曇廤偺丄幙栤偺捛壛
       
 丒 November 12th, 2001. Version .15
   
     仩 懡偔偺(Sendmail,apcupsd,pump,snort,getty,login,su)愝掕椺偺捛壛
        丅Sander Klein 偲 Lorn Kay偵姶幱
       
     仩 Red Hat Kernel 僷僢僠偺幙栤傪捛壛
       
     仩 User 偺梕検惂尷幙栤偺捛壛
       
 丒 August 26th, 2001. Version .14
   
     仩 LIDS enabled/disabled 幙栤偺捛壛
       
     仩 basic configuration 幙栤偺捛壛
       
     仩 Debian 儐乕僓乕偺拲堄揰傪捛壛
       
     仩 帪娫惂尷偺幙栤傪捛壛
       
     仩 怴偟偄帪娫惂尷曽朄傪巊偭偰丄儘僌儘乕僥乕僔儑儞傪偡傞曽朄偺幙栤
        傪峏怴
       
     仩 旕Intel 僴乕僪僂僃傾偺幙栤傪峏怴
       
     仩 東栿僙僋僔儑儞偺捛壛
       
     仩 億乕僩惂尷偺幙栤傪捛壛
       
     仩 BIND 9.x 偺愝掕傪捛壛
       
 丒 May 20th, 2001. Version .13
   
     仩 HA Linux 梡偺僴乕僩價乕僩愝掕傪捛壛
       
     仩 read password error 偺幙栤傪捛壛
       
     仩 婎杮愝掕偺幙栤傪捛壛
       
     仩 portsentry 偺愝掕傊偺嵶偐偄捛壛
       
     仩 僷僗儚乕僪峏怴偺幙栤偺奼挘
       
     仩 偦偺懠偺嵶偐側廋惓
       
 丒 April 1st, 2001. Version .12
   
     仩 怴偟偄僶乕僕儑儞偺LIDS (1.0.6+ and 0.9.14+)梡偵 FAQ 傪峏怴
       
     仩 LD_PRELOAD 娐嫬偱偺寈崘偺捛壛
       
     仩 僴乕僪僂僃傾偺幙栤傪峏怴
       
 丒 March 10th, 2001. Version .11
   
     仩 PDF 僶乕僕儑儞偱偺婔偮偐偺嶲徠僄儔乕傪廋惓乮傑偩丄婔偮偐偺丄曄
        姺偝傟偨僪僉儏儊儞僩偼拲堄偡傞昁梫偑偁傞乯
       
     仩 婎杮揑側僔僗僥儉偺僙僢僩傾僢僾愝掕傪柧敀偵偟偨
       
     仩 儊僀儕儞僌儕僗僩忣曬偺峏怴
       
     仩 僷僗儚乕僪偲儘僌儘乕僥乕僔儑儞偺丄幙栤偺峏怴
       
 丒 March 1st, 2001. Version .10
   
     仩 Samba 愝掕椺偺捛壛
       
     仩 僔儍僢僩僟僂儞帪偵塀偟僾儘僙僗傪 kill 偡傞曽朄偺椺
       
     仩 ssh keygen question 偺捛壛
       
     仩 僷僗儚乕僪峏怴偺幙栤傪奼挘
       
 丒 February 10th, 2001. Version .09
   
     仩 ssh/scp 偺幙栤傪捛壛
       
     仩 儊乕儕儞僌儕僗僩忣曬偺峏怴
       
     仩 LIDS SMP status 偺峏怴
       
 丒 January 27th, 2001. Version .08
   
     仩 "Server Root" 偑 DENY 偲偟偰曐岇偝傟傞傛偆偵Apache 偺愝掕傪曄峏
       
     仩 僨僼僅儖僩偺僨傿儗僋僩儕偑 DENY 偲偟偰曐岇偝傟傞傛偆偵mysql 偲 
        courier-imap 偺愝掕傪曄峏
       
     仩 ssh 偺愝掕傪丄僷僗儚乕僪擣徹偑摦偔傛偆偵曄峏
       
     仩 ACL 偺嵞愝掕偵娭偡傞幙栤傪捛壛
       
 丒 January 25th, 2001. Version .07
   
     仩 lidsadm 偺僐儞僷僀儖栤戣傪廋惓丅 Clarified the 僇乕僱儖偺晻報偺
        幙栤傪 (婅傢偔偽)柧敀偵偟偨丅嵶偐側廋惓
       
 丒 January 24th, 2001. Version .06
   
     仩 /etc/mtab 偼僔僗僥儉婲摦帪偵嵞嶌惉偝傟丄僼傽僀儖僔僗僥儉偼傾儞
        儅僂儞僩偝傟傞偺偱丄/etc/mtab 儅僂儞僩偺 ACL 愝掕椺傪嶍彍偟偨
       
     仩 lidsadm 僐儞僷僀儖栤戣偺廋惓傪捛壛
       
     仩 嵶偐側廋惓
       
 丒 January 22nd, 2001. Version .05
   
     仩 婎杮揑側僔僗僥儉僙僢僩傾僢僾偺愝掕椺傪捛壛丅e-mail 傾儔乕僩偺愝
        掕偺僙僋僔儑儞傪捛壛
       
 丒 January 19th, 2001. Version .04
   
     仩 lidsadm 僐儞僷僀儖栤戣偺嵶偐側廋惓
       
 丒 January 17th, 2001. Version .03
   
     仩 LIDS-0.9.12 偱偺怴偟偄file ACL 偺 "-i" 僆僾僔儑儞偵娭偡傞忣曬傪
        捛壛丅傑偨丄"-i" 僆僾僔儑儞偑昁梫偵側偭偨帪偺巊梡椺傪峏怴丅偦偺
        懠丄lidsadm 僐儞僷偄偮栤戣偺忣曬傗丄尃尷偺桳岠/柍岠傗丄怴偟偄僾
        儘僌儔儉偵懳偡傞ACL偺僙僢僩傾僢僾曽朄偵娭偡傞嵶偐側峏怴丅
       
 丒 January 15th, 2001. Version .02
   
     仩 嵶偐側廋惓
       
 丒 January 15th, 2001. Version .01
   
     仩 嵟弶偺儕儕乕僗
       
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.12. To-do

偙偺僪僉儏儊儞僩偺帪揰偱傕傑偩昁梫側偙偲:

 丒 LIDS-LSM 傊偺捛壛
   
 丒 偍偦傜偔丄懠偵傕傕偭偲丅
   
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

1.13. 偙偺 FAQ 偼偳偙偐傜擖庤偱偒傑偡偐丠

HTML 斉偺 LIDS-FAQ 偼LIDS <http://www.lids.org/lids-faq/lids-faq.html>
偺僒僀僩偵桳傝傑偡丅偦偺懠偺僼僅乕儅僢僩偼丄 http://www.roedie.nl/
lids-faq/ 偐傜僟僂儞儘乕僪偱偒傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 2. LIDS 偺僀儞僗僩乕儖

2.1. LIDS 僇乕僱儖僷僢僠偼偳偆傗偭偰摉偰傞偺偱偡偐丠

Xie 偼 instructions <http://www.lids.org/install.html> 偵LIDS 傪僟僂儞
儘乕僪偟偰丄僇乕僱儖偵僷僢僠傪偁偰傞曽朄傪傕傝偙傫偱偄傑偡丅偲偼偄偊丄
昁梫側庤弴偵偮偄偰娙扨偵偍偝偊偰偍偔偙偲偵偟傑偡丅偙偺椺偱偼丄僇乕僱儖
僜乕僗偑 /usr/src/linux 偵僀儞僗僩乕儖偝傟偰偄傞偲憐掕偟偰偄傑偡丅

僇乕僱儖偵懳墳偟偰偄傞 LIDS 偺嵟怴斉傪巊梡偟偰偄傞偐偳偆偐丄忢偵婥傪偮
偗傑偟傚偆丅LIDS 偼媫僺僢僠偱奐敪偝傟偰偍傝丄僪僉儏儊儞僩傕丄偦傟偵敽偭
偰曄傢傝傑偡丅

 丒 嵟弶偵丄LIDS 偺僷僢僠傪 www.lids.org/download.html <http://
    www.lids.org/download.html> 偐傜僟僂儞儘乕僪偡傞昁梫偑偁傝傑偡丅僇
    乕僱儖偵崌偭偨僶乕僕儑儞傪擖庤偡傞傛偆偵拲堄偟偰偔偩偝偄丅乮偦傟偧
    傟偺僨傿僗僩儕價儏乕僔儑儞梡偺僇乕僱儖傪巊梡偟偰偄傞曽偼丄 
    following 傪撉傫偱偔偩偝偄丅乯
   
 丒 師偵丄tarball 傪揥奐偟傑偡亅
   
    劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
    劆bash$ tar -zxvf lids-lids 偺僶乕僕儑儞-僇乕僱儖偺僶乕僕儑儞.tar.gz  劆
    劆                                                                    劆
    劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
   
 丒 婛懚偺僇乕僱儖僜乕僗偵 lids 偺僷僢僠傪揔梡偟傑偡亅
   
    劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
    劆bash$ cd /usr/src/linux                                                                 劆
    劆bash$ patch -p1 < /path/to/lids/patch/lids-lids 偺僶乕僕儑儞-僇乕僱儖偺僶乕僕儑儞.patch 劆
    劆                                                                                        劆
    劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
   
 丒 偦傟偐傜丄僇乕僱儖偺愝掕傪偟傑偡丅Linux 僇乕僱儖偺嵞僐儞僷僀儖偵偍
    偗傞慺惏傜偟偄忣曬尮偲偟偰偼丄Linux Kernel HOW-TO <http://
    www.tldp.org/HOWTO/Kernel-HOWTO.html> 傪嶲徠偟偰偔偩偝偄丅
   
LIDS 梡偵丄偄偔偮偐偺僇乕僱儖愝掕僆僾僔儑儞偑偁傝傑偡丅LIDS 偑摦嶌偡傞
偨傔偵偼丄埲壓偺僆僾僔儑儞偑桳岠偵側偭偰偄傞偙偲傪妋擣偟偰偔偩偝偄亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆  [*]   Prompt for development and/or incomplete code/drivers       劆
劆  [*]   Sysctl Support                                              劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

2.2. LIDS 偺娗棟儐乕僥傿儕僥傿 (lidsadm 偲 lidsconf) 傪僀儞僗僩乕儖偡傞
曽朄偼丠

 丒 LIDS 1.1.2+
   
拲堄丗 LIDS 傪傾僢僾僌儗乕僪偟偰偄傞側傜丄嵟弶偵 /etc/lids 僨傿儗僋僩儕
傪慡偰僶僢僋傾僢僾偟偰偔偩偝偄)

LIDS 偺僜乕僗僨傿儗僋僩儕偱丄偙偆擖椡偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash$ tar -zvxf lidstools- 僶乕僕儑儞 .tar.gz                       劆
劆bash$ cd lidstools- 僶乕僕儑儞                                      劆
劆bash$ ./configure                                                   劆
劆bash$ make                                                          劆
劆bash$ su -                                                          劆
劆bash# make install                                                  劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偱 lidsadm 偲 lidsconf 偑 /sbin 僨傿儗僋僩儕偵僀儞僗僩乕儖偝傟傑偡
丅偝傜偵丄/etc/lids 僨傿儗僋僩儕偑嶌傜傟丄僨僼僅儖僩偺愝掕僼傽僀儖偑偄
偔偮偐偦偙偵抲偐傟傑偡丅愝掕僼傽僀儖偼丄僔僗僥儉偺揔愗側 i 僲乕僪媦傃僨
僶僀僗忣曬偱峏怴偝傟傑偡丅傑偨丄偙偺帪揰偱 LIDS 偺僷僗儚乕僪傪擖椡偡傞
傛偆偵媮傔傜傟傑偡丅 i 僲乕僪偺峏怴僾儘僙僗帪偵丄僔僗僥儉偵懚嵼偟偰偄側
偄僼傽僀儖傪尒傛偆偲偟偰偄傞偲偒偵偼丄偄偔偮偐偺僄儔乕傪弌偟傑偡丅偙傟
傜偺僄儔乕偼桳奞側傕偺偱偼偁傝傑偣傫丅

lidsadm 偺嶲徠僆僾僔儑儞 (-V) 傪桳岠偵偟偨偔側偄側傜丄--disable-view 傪
巜掕偟偰 configure 傪幚峴偟偰偔偩偝偄丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

2.3. 師偼丠

嵞婲摦偟偰 LIDS 偱嫮壔偝傟偨僇乕僱儖偵偡傞慜偵丄傑偢 LIDS 偺 ACL 傪愝掕
偣偹偽側傝傑偣傫丅偝傕側偗傟偽丄嵞婲摦偡傞偲僔僗僥儉偑巊偄傕偺偵側傜側
偔側傝傑偡丅LIDS 偺 ACL 傪愝掕偡傞曽朄偵偮偄偰偼屻傎偳丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

2.4. lidsadm 傪僐儞僷僀儖偟傛偆偲偟偨傜丄gcc 偵 lidstext.h 偑側偄丄偲偄
傢傟傑偟偨丅偙偺栤戣偼偳偆傗偭偰夝寛偡傟偽偄偄偺丠

偙傟偼丄/usr/include/linux 偑 /usr/src/linux/include/linux傊偺僔儞儃儕
僢僋儕儞僋偱偼側偄僔僗僥儉偵偍偄偰敪惗偟傑偡丅姰慡側僄儔乕儊僢僙乕僕偼
偙偆偱偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆lidsadm.c:30: linux/lidsext.h: No such file or directory make: *** [lidsadm.o] Error 1劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙偺栤戣傪夝寛偡傞偵偼丄lidsadm 偺僜乕僗僨傿儗僋僩儕偵偁傞 Makefile 傪
曇廤偟偰丄CFLAGS 僆僾僔儑儞偵 -I/usr/src/linux/include 傪壛偊偰偔偩偝偄
丅偙偺帪揰偱丄晛捠偵 lidsadm 傪僐儞僷僀儖偱偒傞偼偢偱偡丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

2.5. Debian 儐乕僓傊偺拲堄乧乧

David Spreen 偼 LIDS 偺 Debian 僷僢働乕僕傪曐庣偟偰偄傑偡丅僷僢働乕僕屌
桳偺 LIDS 偺愝掕傪 netzwurm@debian.org <netzwurm@debian.org> 埗偰偵儊乕
儖偡傞偲婌傇偱偟傚偆丅Debian 屌桳偺廋惓偑娷傑傟偰偄傞偨傔丄Debian 儐乕
僓偼 LIDS 偺 Debian 僷僢働乕僕傪巊偆傛偆偵傕斵偼姪傔偰偄傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

2.6. LIDS 偺僷僢僠傪 RedHat 偺僇乕僱儖 2.x.x-x 偵偁偰傛偆偲偟偨傜丄僄儔
乕偵側傝傑偟偨丅壗偑埆偄偺丠

LIDS 偼 Linus 偑奐敪偟偨 "晛捠偺" 僇乕僱儖傪巊偭偰奐敪偝傟偰偄傑偡丅
RedHat 傗 Debian丄Suse 傪娷傓懡偔偺僨傿僗僩儕價儏乕僔儑儞偱偼丄僇乕僱儖
傪僇僗僞儅僀僘偟偰偄傑偡丅偙傟偼埆偄偙偲偱偼偁傝傑偣傫偑丄偦傟傜偺僇乕
僱儖偑 Linus 偺傕偺偲摨偠偱偼側偄丄偲偄偆偙偲偼抦偭偰偍偄偰偔偩偝偄丅
(Debian 儐乕僓偼忋偺拲堄傪尒偰偔偩偝偄丅)

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 3. lidsadm 偲 lidsconf

3.1. lidsadm 偲偼壗偱偡偐丠

lidsadm 偼 LIDS 偺娗棟儐乕僥傿儕僥傿偱丄偙傟傪巊偭偰僔僗僥儉偺 LIDS 傪
娗棟偟傑偡丅偙傟偵偼丄LIDS 傪桳岠/柍岠偵偟偨傝丄僇乕僱儖傪晻報偟偨傝丄
LIDS 偺忬嫷傪尒偨傝偡傞偙偲偑娷傑傟傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

3.2. lidsconf 偲偼壗偱偡偐丠

lidsconf 偼 LIDS 偺傾僋僙僗惂屼儕僗僩 (ACL) 傪愝掕偡傞偺偵巊偄傑偡丅傑
偨丄LIDS 偺僷僗儚乕僪傪僙僢僩偡傞偺偵傕巊偄傑偡丅拲堄丗LIDS 1.1.0 傛傝
慜偺僶乕僕儑儞偱偼丄尰嵼 lidsconf 偑峴偭偰偄傞巇帠傕慡偰 lidsadm 偑偙側
偟傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

3.3. lidsadm 偱巊偊傞僆僾僔儑儞偼壗偑偁傝傑偡偐丠

棙梡壜擻側僆僾僔儑儞傪堦棗偡傞偵偼丄偙偆擖椡偟偰偔偩偝偄亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -h                                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偵傛偭偰丄埲壓偺弌椡偑曉偭偰偒傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆lidsadm version 0.4.1 for LIDS project                                            劆
劆       Huagang Xie <xie@gnuchina.org>                                             劆
劆       Philippe Biondi <pbi@cartel-info.fr>                                       劆
劆                                                                                  劆
劆Usage: lidsadm -[S|I] -- [+|-][LIDS_FLAG] [...]                                   劆
劆       lidsadm -V                                                                 劆
劆       lidsadm -h                                                                 劆
劆                                                                                  劆
劆Commands:                                                                         劆
劆       -S  To submit a password to switch some protections                        劆
劆       -I  To switch some protections without submitting password (sealing time)  劆
劆       -V  To view current LIDS state (caps/flags)                                劆
劆       -v  To show the version                                                    劆
劆       -h  To list this help                                                      劆
劆                                                                                  劆
劆Available capabilities:                                                           劆
劆           CAP_CHOWN chown(2)/chgrp(2)                                            劆
劆    CAP_DAC_OVERRIDE DAC access                                                   劆
劆 CAP_DAC_READ_SEARCH DAC read                                                     劆
劆          CAP_FOWNER owner ID not equal user ID                                   劆
劆          CAP_FSETID effective user ID not equal owner ID                         劆
劆            CAP_KILL real/effective ID not equal process ID                       劆
劆          CAP_SETGID set*gid(2)                                                   劆
劆          CAP_SETUID set*uid(2)                                                   劆
劆         CAP_SETPCAP transfer capability                                          劆
劆 CAP_LINUX_IMMUTABLE immutable and append file attributes                         劆
劆CAP_NET_BIND_SERVICE binding to ports below 1024                                  劆
劆   CAP_NET_BROADCAST broadcasting/listening to multicast                          劆
劆       CAP_NET_ADMIN interface/firewall/routing changes                           劆
劆         CAP_NET_RAW raw sockets                                                  劆
劆        CAP_IPC_LOCK locking of shared memory segments                            劆
劆       CAP_IPC_OWNER IPC ownership checks                                         劆
劆      CAP_SYS_MODULE insertion and removal of kernel modules                      劆
劆       CAP_SYS_RAWIO ioperm(2)/iopl(2) access                                     劆
劆      CAP_SYS_CHROOT chroot(2)                                                    劆
劆      CAP_SYS_PTRACE ptrace(2)                                                    劆
劆       CAP_SYS_PACCT configuration of process accounting                          劆
劆       CAP_SYS_ADMIN tons of admin stuff                                          劆
劆        CAP_SYS_BOOT reboot(2)                                                    劆
劆        CAP_SYS_NICE nice(2)                                                      劆
劆    CAP_SYS_RESOURCE setting resource limits                                      劆
劆        CAP_SYS_TIME setting system time                                          劆
劆  CAP_SYS_TTY_CONFIG tty configuration                                            劆
劆           CAP_MKNOD mknod operation                                              劆
劆           CAP_LEASE taking leases on files                                       劆
劆          CAP_HIDDEN hidden process                                               劆
劆  CAP_KILL_PROTECTED kill protected programs                                      劆
劆       CAP_PROTECTED Protect the process from signals                             劆
劆                                                                                  劆
劆Available flags:                                                                  劆
劆                LIDS de-/activate LIDS locally (the shell & childs)               劆
劆         LIDS_GLOBAL de-/activate LIDS entirely                                   劆
劆         RELOAD_CONF reload config. file and inode/dev of protected programs      劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

3.4. lidsconf 偱巊偊傞僆僾僔儑儞偼壗偑偁傝傑偡偐丠

棙梡偱偒傞僆僾僔儑儞傪堦棗偡傞偵偼丄偙偆擖椡偟偰偔偩偝偄亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -h                                                   劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偵傛偭偰丄埲壓偺弌椡偑曉偭偰偒傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆lidsconf version 0.4.1 for the LIDS project                                       劆
劆       Huagang Xie <xie@gnuchina.org>                                             劆
劆       Philippe Biondi <philippe.biondi@webmotion.net>                            劆
劆                                                                                  劆
劆Usage: lidsconf -A [-s subject] -o object [-d] [-t from-to] [-i level] -j ACTION  劆
劆       lidsconf -D [-s file] [-o file]                                            劆
劆       lidsconf -Z                                                                劆
劆       lidsconf -U                                                                劆
劆       lidsconf -L [-e]                                                           劆
劆       lidsconf -P                                                                劆
劆       lidsconf -v                                                                劆
劆       lidsconf -[h|H]                                                            劆
劆                                                                                  劆
劆Commands:                                                                         劆
劆       -A,--add To add an entry                                                   劆
劆       -D,--delete      To delete an entry                                        劆
劆       -Z,--zero        To delete all entries                                     劆
劆       -U,--update      To update dev/inode numbers                               劆
劆       -L,--list        To list all entries                                       劆
劆       -P,--passwd      To encrypt a password with RipeMD-160                     劆
劆       -v,--version     To show the version                                       劆
劆       -h,--help        To list this help                                         劆
劆       -H,--morehelp    To list this help with CAP/SOCKET name                    劆
劆                                                                                  劆
劆subject: -s,--subject subj                                                        劆
劆       can be any program, must be a file                                         劆
劆object: -o,--object [obj]                                                         劆
劆       can be a file, directory or Capability, Socket Name                        劆
劆ACTION: -j,--jump                                                                 劆
劆       DENY     deny access                                                       劆
劆       READONLY read only                                                         劆
劆       APPEND   append only                                                       劆
劆       WRITE    writable                                                          劆
劆       GRANT    grant capability to subject                                       劆
劆       IGNORE   ignore any permissions set on this object                         劆
劆       DISABLE  disable some extersion feature                                    劆
劆OPTION:                                                                           劆
劆      -d,--domain       The object is an EXEC Domain                              劆
劆      -i,--inheritance Inheritance level                                          劆
劆      -t,--time Time dependency                                                   劆
劆      -e,--extended     Extended list                                             劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

3.5. 慺惏傜偟偄丅偱丄偙傟傜偺尃尷偼偳偆偄偆傕偺側偺丠

尃尷偵傛偭偰丄僔僗僥儉偑柧敀偵丄偳偺傛偆側峴堊傪嫋壜偟丄偁傞偄偼嫋壜偟
側偄偺偐偲偄偆偙偲傪掕媊偱偒傑偡丅壖傝偵 CAP_SETUID 傪柍岠偵偡傞偲丄偳
偺傛偆側僾儘僌儔儉傕 UID 傪搉偡帠偑弌棃側偔側傝傑偡丅LIDS傪梡偄傞偲丄柧
敀側僾儘僌儔儉偵懳偟偰丄柧敀偵尃尷傪桳岠/柍岠偵偡傞帠偑弌棃傑偡丅偦傟偧
傟偺尃尷偵偮偄偰偼丄/etc/lids/lids.cap 偺拞偐丄乮傕偟丄傑偩 LIDS 傪僀儞
僗僩乕儖偟偰偄側偄偺偱偁傟偽 /path/to/lidstools/example/lids.cap 偵偁傝
傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 4. LIDS 偺娗棟

4.1. LIDS 偺僷僗儚乕僪傪愝掕偡傞偵偼偳偆偡傟偽偄偄偱偡偐丠

僀儞僗僩乕儖帪偵丄僷僗儚乕僪偺愝掕偵偮偄偰暦偐傟側偐偭偨応崌偵偼丄LIDS
偵傛偭偰奼挘偝傟偨僇乕僱儖偱嵞婲摦偡傞慜偵丄僐儅儞僪僾儘儞僾僩偱偙偺傛
偆偵擖椡偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -P                                                   劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偡傞偲丄LIDS 偺僷僗儚乕僪傪媮傔傜傟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆MAKE PASSWD                                                         劆
劆enter new password:                                                 劆
劆reenter new password:                                               劆
劆wrote password to /etc/lids/lids.pw                                 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偱丄/etc/lids/lids.pw 僼傽僀儖偵 RipeMD-160 偱埫崋壔偝傟偨僷僗儚乕
僪偑彂偒偙傑傟傑偡丅偙偺僷僗儚乕僪偼丄ACL 偺尃尷傪曄偊偨偄帪傗丄LIDS
free session 傪奐巒偡傞帪偵昁梫偱偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.2. 堦搙愝掕偝傟偨 LIDS 僷僗儚乕僪傪曄峏偡傞偵偼偳偆偡傟偽傛偄偱偡偐丠

嵟弶偵丄LIDS 僼儕乕僙僢僔儑儞傪嶌惉偟側偔偰偼側傝傑偣傫丅偦傟偐傜丄嵟弶
偵傗偭偨傛偆偵 "-P" 僆僾僔儑儞傪巊偭偰僷僗儚乕僪傪愝掕偟傑偡 (尰嵼偺僷
僗儚乕僪偼偒偐傟傑偣傫)丅LIDS 僷僗儚乕僪傪嵞愝掕偟偨屻偱丄LIDS 偵愝掕僼
傽僀儖偺儕儘乕僪傪偝偣傞昁梫偑偁傝傑偡丅 

拲堄丗/dev/pts 偑儅僂儞僩偝傟偰偄傞帪偵偼丄root尃尷傪帩偭偨傕偺偑丄LIDS
僷僗儚乕僪傪摼傞帠偑壜擻偱偡丅偙傟傪杊偖偨傔偵丄/dev/pts 傪傾儞儅僂儞僩
偟偰偍偔偐丄曐岇傪偟偰偍偄偰偔偩偝偄丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.3. LIDS 僼儕乕僙僢僔儑儞偲偼壗丠丂偳偆傗偭偰嶌傟偽偄偄偺丠

LIDS 僼儕乕僙僢僔儑儞 (LFS) 偼 LIDS 偐傜偺惂尷傪庴偗側偄抂枛僙僢僔儑儞
偱偡丅偙偺僆僾僔儑儞偑偁傞偨傔丄旕 LIDS 偺僇乕僱儖偱嵞婲摦偣偢偵僔僗僥
儉傪娗棟偡傞偙偲偑偱偒傑偡丅偙傟傪婡擻偝偣傞偵偼丄LIDS 偱奼挘偟偨僇乕僱
儖傪僐儞僷僀儖偡傞帪偵丄偙偺僆僾僔儑儞傪慖戰偟偰偄傞昁梫偑偁傝傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆  [*] Allow switching LIDS protections                              劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
LFS 傪嶌傞偵偼丄僾儘儞僾僩偱偙偺傛偆偵擖椡偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -S -- -LIDS                                           劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偡傞偲丄LIDS 僷僗儚乕僪傪恥偹傜傟傑偡丅偙偺抂枛偼丄傕偆 LIDS 偐傜撈棫偟
偰偄傑偡丅埲壓偺憖嶌傪偡傞傑偱偼丄LIDS 偐傜撈棫偟偨傑傑偱偡亅

 丒 LIDS 傪嵞傃桳岠偵偡傞 (lidsadm -S -- +LIDS).
   
 丒 僞乕儈僫儖偐傜儘僌傾僂僩偡傞
   
堦搙偵傾僋僥傿僽偵偱偒傞 LFS 偼 1 偮偩偗偱偡丅暿偺抂枛偵擖偭偰傕
lidsadm -S -- -LIDS 偼柍岠偵側傜側偄偲偼偄偊丄LFS 偼偨偩 1 偮偟偐帩偰傑
偣傫丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.4. LIDS 僼儕乕僙僢僔儑儞傪嶌偭偨偗偳丄LIDS 偑傑偩桳岠偵側偭偰傞傒偨偄
両丂壗偑傑偢偄偺丠

偙傟偼丄LFS 傪壖憐抂枛忋偱嶌偭偰偐傜暿偺壖憐抂枛偵堏摦偟偰儅僔儞傪娗棟
偟傛偆偲偡傞偲敪惗偟傑偡丅夝寛偡傞偨傔偵偼丄LIDS 傪桳岠偵偟偰傒偰丄偦傟
偐傜傕偆堦搙柍岠偵偟傑偡 (僾儘儞僾僩偑弌偨傜僷僗儚乕僪傪擖椡偟傑偡)丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆# lidsadm -S -- +LIDS                                               劆
劆# lidsadm -S -- -LIDS                                               劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
拲堄丗 LFS 偵懠偺娗棟幰偑偄偨応崌偵偼丄偦偺恖偺 LFS 傕暵偠偰偟傑偆偺偱
丄懠偺娗棟幰偑嫃側偄偙偲傪僠僃僢僋偟偰偔偩偝偄両

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.5. LIDS 偵愝掕僼傽僀儖傪儕儘乕僪偝偣傞偵偼偳偆偡傟偽偄偄偺丠

LIDS 偵偦偺愝掕僼傽僀儖傪儕儘乕僪偝偣傞偵偼丄LIDS 偱奼挘偟偨僇乕僱儖傪
愝掕偡傞帪偵丄偙偺僆僾僔儑儞傪桳岠偵偡傞昁梫偑偁傝傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆  [*]  Allow switching LIDS protections                               劆
劆  (3)    Number of attempts to submit password                        劆
劆  (30)     Time to wait after a fail (seconds)                        劆
劆  [ ]    Allow remote users to switch LIDS protections                劆
劆  [ ]    Allow any program to switch LIDS protections                 劆
劆  [*]    Allow reloading config. file   <---------------------------- 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
拲堄丗愝掕僼傽僀儖傪儕儘乕僪偱偒傞傛偆偵偡傞偵偼丄LIDS 偺曐岇傪愗傝姺偊
傜傟傞傛偆偵偡傞昁梫偑偁傝傑偡丅 LFS (偁傞偄偼 LIDS_GLOBAL 傪柍岠偵偟
偰) 偐傜丄偙傟傜偺僐儅儞僪傪幚峴偟偰 LIDS 偵愝掕僼傽僀儖傪儕儘乕僪偡傞
傛偆巜帵偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆# lidsadm -S -- +RELOAD_CONF                                        劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偱丄埲壓偺愝掕僼傽僀儖偑儕儘乕僪偝傟傑偡亅

 丒 /etc/lids/lids.conf - LIDS ACL 偺愝掕僼傽僀儖偱偡丅
   
 丒 /etc/lids/lids.cap - LIDS 偺尃尷僼傽僀儖偱偡丅
   
 丒 /etc/lids/lids.pw - LIDS 偺僷僗儚乕僪僼傽僀儖偱偡丅
   
 丒 /etc/lids/lids.net - LIDS 偺儊乕儖偵傛傞寈崘傪愝掕偡傞僼傽僀儖偱偡
    丅
   
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.6. 彆偗偰両両両丂巹偺僔僗僥儉偑姰慡偵巊偊側偔側偭偰偟傑偄傑偟偨両丂偳
偆偡傟偽偄偄偱偟傚偆丠

嵞婲摦偟偰 LIDS 偱嫮壔偝傟偰偄側偄僇乕僱儖偵偡傞偐丄LIDS 傪柍岠偵偟偰
LIDS 偱嫮壔偝傟偨僇乕僱儖傪婲摦偟丄夝寛傪帋傒傞偙偲偑偱偒傑偡丅LIDS 傪
柍岠偵偟偰婲摦偡傞偵偼丄lilo 僾儘儞僾僩偵 security=0 偲巜掕偟傑偡丅椺偊
偽丄LIDS 偱嫮壔偝傟偨僇乕僱儖偑 lids-kernel 偩偲偡傞偲丄lilo 僾儘儞僾僩
偱偙偺傛偆偵擖椡偡傞偺偱偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆lilo: lids-kernel lids=0                                            劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偼娙扨側晹暘偱偡丅擄偟偄偺偼丄LIDS 傪桳岠偵偟偨僔僗僥儉傪僔儍僢僩僟
僂儞偝偣傞偙偲偱偡丅LIDS 偺愝掕偵傛偭偰偼丄偆傑偔僔儍僢僩僟僂儞偱偒側偄
偐傕偟傟傑偣傫丅 

寈崘丗揔愗偵愝掕偝傟偰偄側偄忬懺偱 LIDS 偑桳岠偵側偭偨僇乕僱儖傪嵞婲摦
偝偣傞偲丄僼傽僀儖僔僗僥儉偑偍偐偟偔側偭偨傝丄僨乕僞偑幐傢傟傞偐傕抦傟
傑偣傫丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.7. 僔僗僥儉僶僀僫儕傪曄峏/堏摦偟傑偟偨丅僼傽僀儖偑曄峏/堏摦偟偨偙偲傪
LIDS 偵嫵偊傞偵偼偳偆偡傞偺偱偡偐丠

僼傽僀儖偑懚嵼偟偰偄傞僨僶僀僗丄偁傞偄偼僼傽僀儖偺 i僲乕僪斣崋偑曄傢偭
偨帪偵偼偄偮偱傕丄/etc/lids/lids.conf 僼傽僀儖傪揔愗側忣曬偱峏怴偟側偗
傟偽側傝傑偣傫丅岾塣側偙偲偵丄Xie 偼偙偆偄偆帪偺偨傔偺僆僾僔儑儞傪梡堄
偟偰偔傟偰偄傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -U                                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偦傟偐傜丄愝掕僼傽僀儖傪儕儘乕僪偡傞昁梫偑偁傝傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.8. 偠傖偁丄嵞婲摦偣偢偵 LIDS 傪姰慡偵柍岠偵偡傞曽朄偼丠

LFS 傪巊偆埲奜偵傕丄LIDS 傪慡懱揑偵掆巭偝偣傞偙偲偼偱偒傑偡丅偙傟偵偼丄
僆僾僔儑儞崬傒偱僇乕僱儖傪僐儞僷僀儖偟偰偄傞応崌偺傒婡擻偟傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -S -- -LIDS_GLOBAL                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
LIDS_GLOBAL 偑柍岠偵側偭偰偄傞偲丄僔僗僥儉偼 "捠忢偺" Linux 僔僗僥儉偺
傛偆偵壱摥偟傑偡丅LIDS 傪慡懱揑偵嵞傃桳岠偵偡傞偵偼丄斀懳偺偙偲傪偟傑偡
亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -S -- +LIDS_GLOBAL                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
拲堄丗崱 LFS 傪桳岠偵偟偰偄傞側傜丄偙傟偵傛偭偰 LFS 偑塭嬁傪偆偗傞偙偲
偼偁傝傑偣傫丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.9. "僇乕僱儖傪晻報偡傞"偲偼偳偆偄偆偙偲偱偡偐丠

婲摦僾儘僙僗偺嵟屻偵丄僇乕僱儖傪晻報偡傞昁梫偑偁傝傑偡丅偙傟偵傛傝丄僔
僗僥儉偵 /etc/lids/lids.cap 僼傽僀儖偱偺僌儘乕僶儖側尃尷偑僙僢僩偝傟傑
偡丅偨偩偟丄僼傽僀儖偺 ACL 偼僇乕僱儖偑晻報偝傟傞慜偱傕幏峴偝傟傑偡丅僇
乕僱儖傪晻報偡傞偵偼丄rc.local(SysV 僗僞僀儖偺 init 偺応崌) 偺嵟屻偵丄
偙傟傪偮偗偨偟偰偔偩偝偄亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsadm -I                                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
"-I" 僆僾僔儑儞偼丄僇乕僱儖傪晻報偡傞帪偺傒巊傢傟傑偡丅晻報偝傟偨屻偼丄
僔僗僥儉偵曄峏傪壛偊傞偨傔偵 "-S" 僆僾僔儑儞傪巊偆昁梫偑偁傝傑偡丅寈崘
丗婲摦帪偵僇乕僱儖傪晻報偟側偐偭偨応崌丄LIDS 偱嫮壔偝傟偨僔僗僥儉偺壎宐
傪姰慡偵庴偗傞偙偲偼偱偒傑偣傫丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.10. LIDS 僔僗僥儉偺忬懺傪尒傞偵偼偳偆偡傟偽偄偄偺丠

"-V" 僆僾僔儑儞傪巊偆偨傔偵偼丄lidsadm 傪 view 僆僾僔儑儞傪 enable 偵偟
偨忬懺偱僐儞僷僀儖偟偰偍偔昁梫偑偁傝傑偡丅乮捠忢偺怳晳偼丄忋婰嶲徠乯僐
儅儞僪儔僀儞偱丄偙偆擖椡偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -V                                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙偆偡傞偲丄2.4.x 僇乕僱儖偺応崌丄偙偺傛偆側弌椡偑摼傜傟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆VIEW                                                                劆
劆                     CAP_CHOWN 0                                    劆
劆              CAP_DAC_OVERRIDE 0                                    劆
劆           CAP_DAC_READ_SEARCH 0                                    劆
劆                    CAP_FOWNER 0                                    劆
劆                    CAP_FSETID 0                                    劆
劆                      CAP_KILL 0                                    劆
劆                    CAP_SETGID 0                                    劆
劆                    CAP_SETUID 0                                    劆
劆                   CAP_SETPCAP 0                                    劆
劆           CAP_LINUX_IMMUTABLE 0                                    劆
劆          CAP_NET_BIND_SERVICE 0                                    劆
劆             CAP_NET_BROADCAST 0                                    劆
劆                 CAP_NET_ADMIN 0                                    劆
劆                   CAP_NET_RAW 0                                    劆
劆                  CAP_IPC_LOCK 0                                    劆
劆                 CAP_IPC_OWNER 0                                    劆
劆                CAP_SYS_MODULE 0                                    劆
劆                 CAP_SYS_RAWIO 0                                    劆
劆                CAP_SYS_CHROOT 0                                    劆
劆                CAP_SYS_PTRACE 0                                    劆
劆                 CAP_SYS_PACCT 0                                    劆
劆                 CAP_SYS_ADMIN 0                                    劆
劆                  CAP_SYS_BOOT 1                                    劆
劆                  CAP_SYS_NICE 0                                    劆
劆              CAP_SYS_RESOURCE 1                                    劆
劆                  CAP_SYS_TIME 0                                    劆
劆            CAP_SYS_TTY_CONFIG 0                                    劆
劆                     CAP_MKNOD 0                                    劆
劆                     CAP_LEASE 0                                    劆
劆                    CAP_HIDDEN 1                                    劆
劆            CAP_KILL_PROTECTED 0                                    劆
劆                 CAP_PROTECTED 0                                    劆
劆                          LIDS 0                                    劆
劆                   LIDS_GLOBAL 1                                    劆
劆                   RELOAD_CONF 0                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
忋婰偺弌椡偐傜撉傒偲傟傞傛偆偵丄偙偺僔僗僥儉偱偼 LFS 偑桳岠偵側偭偰偄傑
偡丅偨偩偟丄LIDS 偼僌儘乕僶儖偵桳岠偵側偭偰偄傑偡丅師偵 1 偑偒偰偄傞崁
栚偼桳岠側傕偺偱丄0 偑偒偰偄傞傕偺偼柍岠偺傕偺偱偡丅嵟屻偺 2 偮偺尃尷傪
彍偄偰丄root 偼捠忢偙傟傜慡偰偺尃尷傪帩偭偰偄傑偡丅LIDS 偺偍偐偘偱丄偙
偺摿掕偺忬嫷偵偍偄偰 root 偼 CAP_SYS_BOOT, SAP_SYS_RESOURCE, CAP_HIDDEN
(拲丗CAP_HIDDEN 偼捠忢偺 Linux 僇乕僱儖偑採嫙偡傞尃尷偱偼偁傝傑偣傫) 偲
偄偭偨尃尷偺傒傪帩偭偰偄傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.11. LIDS 偺億乕僩僗僉儍儞専抦傪愝掕偡傞偵偼偳偆偡傟偽偄偄偱偡偐丠

昁梫偁傝傑偣傫丅LIDS 偱奼挘偟偨僇乕僱儖傪愝掕偡傞偲偒偵僆僾僔儑儞傪慖傫
偱偄傟偽丄億乕僩僗僉儍儞専抦偼桳岠偵側偭偰偄傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆   [*]  Port Scanner Detector in kernel                             劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.12. LIDS 偺 --> --ACL 偵偍偗傞 subject 偲object 偲偼側傫偱偡偐丠

subject 偼僶僀僫儕傗僔僃儖僗僋儕僾僩偲偄偭偨丄Linux 僔僗僥儉忋偱幚峴偱
偒傞僾儘僌儔儉偺偙偲偱偡丅object 偼丄subject 偑傾僋僙僗偟傛偆偲偡傞傕偺
偱偡丅偙傟偵偼丄僼傽僀儖丄僨傿儗僋僩儕丄尃尷偲偄偭偨傕偺偑偁傝傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.13. /etc/lids/lids.cap 傪廋惓偟偰愝掕僼傽僀儖傪儕儘乕僪偡傞埲奜偵僔僗
僥儉偺尃尷傪桳岠/柍岠偵偡傞偙偲偼偱偒傑偡偐丠

偱偒傑偡丅偨偩偟丄偙偺曽朄偩偲僔僗僥儉偺僔儍僢僩僟僂儞屻偵曄峏偑曐懚偝
傟傑偣傫丅尃尷傪桳岠偵偡傞偵偼亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -S -- +CAP_SYS_ADMIN                                  劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
尃尷傪柍岠偵偡傞偵偼亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsadm -S -- -CAP_SYS_ADMIN                                  劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.14. LIDS 偺 ACL 傪嵞愝掕偟偨偺偵丄曄峏偑斀塮偝傟偰偄側偄傛偆偵尒偊傑
偡丅壗偑埆偄偺偱偟傚偆丠

LIDS 傪嵞愝掕偡傞帪偵偼丄偡傞傋偒偙偲偑 2 偮偁傝傑偡亅

 1. 愝掕僼傽僀儖偺儕儘乕僪
   
 2. 曄峏偵傛偭偰塭嬁傪庴偗傞僒乕價僗(孮)偺嵞婲摦
   
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.15. lidsconf -L 偑巹偺 ACL 傪昞帵偟偰偔傟側偄偺偱偡偑丠

lidsconf -L 偼 LFS 忋偐傜偐丄LIDS_GLOBAL 偑柍岠偵側偭偰偄傞帪偵巊傢側偗
傟偽側傝傑偣傫丅偳偪傜偺忬懺偱傕側偄側傜丄偙偺僄儔乕儊僢僙乕僕傪尒傞偙
偲偵側傝傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆lidsconf: can not open conf file                                    劆
劆reason:: Permission denied                                          劆
劆LIST                                                                劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.16. 僐儞僜乕儖偵曬崘偝傟傞偨偔偝傫偺 LIDS 堘斀傪偳偆偵偐偟偰尭傜偣側
偄偺丠

偱偒傑偡丅syslog 偺弶婜壔僗僋儕僾僩傪廋惓偟偰丄klogd 傪 "-c" 僆僾僔儑儞
偮偒偱婲摦偝偣傞偙偲偑偱偒傑偡丅偙偺僆僾僔儑儞偼丄僐儞僜乕儖偵婰榐偝傟
傞僔僗僥儉儊僢僙乕僕偺僨僼僅儖僩儗儀儖傪愝掕偡傞傕偺偱偡丅巜掕偝傟偨抣
傛傝傕掅偄抣傪傕偮儊僢僙乕僕偑僐儞僜乕儖偵昞帵偝傟傑偡 (include/linux/
kernel.h嶲徠)丅椺偊偽亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆klogd -c 4                                                          劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
klogd 偵儗儀儖 4 埲壓偺慡儊僢僙乕僕傪僐儞僜乕儖偵婰榐偡傞傛偆偵巜帵偟傑
偡丅

僐儞僜乕儖偺儘僌儗儀儖傪曄峏偡傞偵偼丄/proc/sys/kernel/printk 偺抣傪廋
惓偡傞偲偄偆曽朄傕偁傝傑偡丅徻嵶偵偮偄偰偼丄/usr/src/linux/
Documentation/sysctl/kernel.txt 偱採嫙偝傟傞暥彂傪嶲徠偟偰偔偩偝偄丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.17. LIDS 傪巊偆帪偼丄LD_PRELOAD 娐嫬曄悢偵拲堄偟偨曽偑偄偄偱偡偐丠

偼偄丅1.1.1preX 傛傝傕屆偄僶乕僕儑儞偺 LIDS 傪巊梡偟偰偄傞応崌偵偼丄撉
傫偱偔偩偝偄丅

setuid 偝傟偨僾儘僌儔儉偵偮偄偰丄LD_PRELOAD 娐嫬曄悢偼 "枹掕媊" 偱偡偐
傜丄僾儘僌儔儉偵傛偭偰儘乕僪偝傟傞儔僀僽儔儕偵塭嬁傪媦傏偡偙偲偼偱偒傑
偣傫 (嵟嬤偺 glibc 偺惼庛惈偲偄偭偨椺奜偼偁傝傑偡)丅 

栤戣偑敪惗偡傞偺偼丄setuid 偝傟偰偄側偄僶僀僫儕偵摿暿側尃尷傗僼傽僀儖傾
僋僙僗嫋壜傪梌偊偨偲偒偱偡丅LD_PRELOAD 娐嫬曄悢偼儔僀僽儔儕傪儘乕僪偡傞
慜偼 "枹掕媊" 偱偼側偄偨傔丄埆堄偺偁傞扤偐偑僩儘僀偺儔僀僽儔儕傪儘乕僪
偝偣傞偙偲偑偱偒傞忋偵丄偦傟偼僆儕僕僫儖偺僾儘僌儔儉偵梌偊傜傟偨偺偲摨
偠摿暿側尃尷/僼傽僀儖傾僋僙僗嫋壜傪傕偮偙偲偵側偭偰偟傑偄傑偡丅

儕僗僋傪尭傜偡偨傔偵壜擻側僆僾僔儑儞偼亅

 丒 摿暿側尃尷傗僼傽僀儖傾僋僙僗嫋壜傪傕偮僾儘僌儔儉偼慡偰捠忢偺 unix
    僼傽僀儖僷乕儈僢僔儑儞偱惂尷偝傟偹偽側傝傑偣傫丅偦傟偵傛傝丄慡堳偑
    幚峴偱偒側偄傛偆偵偟傑偡 (e.g. chmod o-rwx /path/to/program )丅
   
 丒 暿夝偲偟偰偼丄僼傽僀儖傪 setuid 偟偨忋偱強桳尃傪 root 埲奜偺儐乕僓
    偵曄偊傞偲偄偆偺傕偁傝傑偡丅偙偆偡傞偲丄僾儘僌儔儉偺幚峴慜偵丄
    LD_PRELOAD 娐嫬曄悢偼 "枹掕媊" 偲側傝傑偡丅
   
僙僉儏儕僥傿忋偺峏怴丗LIDS 1.1.1preX 埲崀偐傜丄LD_PRELOAD 娐嫬曄悢偼
LIDS 偐傜摿尃傪梌偊傜傟傞慡偰偺僾儘僌儔儉偵懳偟偰丄帺摦揑偵柍岠偵側傝傑
偡丅偙傟偼丄LIDS 0.10.3 偵傕僶僢僋億乕僩偝傟偰偄傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.18. 婲摦偟偨帪丄"read password file error" 偲偄偆儊僢僙乕僕偑昞帵偝傟
傑偡丅偙偺栤戣傪捈偡偵偼偳偆偡傟偽傛偄偱偟傚偆丠

偙傟偼丄嵟弶偵 LIDS 傪婲摦偡傞慜偵丄LIDS 偺僷僗儚乕僪傪愝掕偟朰傟偨応崌
偵敪惗偟傑偡丅栤戣傪廋惓偡傞偵偼丄儅僔儞傪嵞婲摦偟偰 (巊梡偱偒側偄僔僗
僥儉偺婲摦嶲徠)丄 LIDS 僷僗儚乕僪傪愝掕偟偰偔偩偝偄丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

4.19. LIDS 偑桳岠偐柍岠偐傪挷傋傞偵偼偳偆偡傟偽偄偄偺丠

lidsadm 傪 'make VIEW=1' 偲偟偰僐儞僷僀儖偟偰偁傟偽丄'lidsadm -V' 傪巊
偭偰 LIDS 偑桳岠偵側偭偰偄傞偐抦傞偙偲偑偱偒傑偡丅'LIDS_GLOBAL 0' 偲昞
帵偝傟傟偽丄LIDS 偼柍岠偵側偭偰偄傑偡丅'LIDS 0' 偲昞帵偝傟傟偽丄扤偐偑
LIDS 僼儕乕僙僢僔儑儞傪巊偭偰偄傑偡丅 lidsadm 傪 VIEW 僆僾僔儑儞偮偒偱
僐儞僷僀儖偟偰偄側偐偭偨応崌偼丄LIDS 偑幚峴拞偐挷傋傞曽朄偼偄偔偮偐懚嵼
偟傑偡丅

 1. dmesg 偵 'Linux Intrusion Detection System <lids-version> for
    <kernel-version> doesn't start' 偲偄偆峴偑側偄偐挷傋傞偙偲偑偱偒傑
    偡丅傕偪傠傫丄'Linux Intrusion Detection System <lids-version> for
    <kernel-version> starts' 偲弌偰偄偨応崌偵偼丄LIDS 偼幚峴偝傟偰偄傑
    偡丅
   
 2. 杮棃側傜偱偒側偄偼偢偺壗帠偐傪偟偱偐偟偰丄LIDS 偑峴摦傪婲偙偡偐傪帋
    偡偙偲偑偱偒傑偡丅傕偟壗傕斀墳偑側偗傟偽丄LIDS 偼摦嶌偟偰偄傑偣傫丅
   
劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 5. LIDS 偺愝掕

5.1. 僼傽僀儖傪撉傒偲傝愱梡偵偟偰曐岇偡傞曽朄偼丠

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -o /some/file -j READONLY                         劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偵傛傝丄LIDS 偑桳岠偵側偭偰偄傟偽丄(root 傪娷傓) 壗幰偐偑 /some/
file 傪曄峏偟偨傝嶍彍偟偨傝偡傞偺傪杊偖偙偲偑偱偒傑偡丅LFS 偵偄傞側傜丄
揔愗側僼傽僀儖僷乕儈僢僔儑儞偑偁傝丄僷乕僥傿僔儑儞偑撉傒偲傝愱梡偱
mount 偝傟偰偄傞偺偱側偗傟偽丄帺桼偵 /some/file 傪曄峏偡傞偙偲偑偱偒傑
偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.2. OK, 偠傖偁僨傿儗僋僩儕傪撉傒偲傝愱梡偵偡傞偵偼偳偆偡傟偽丠

忋偲摨偠偱偡偑丄巜掕偡傞偺偼 /some/directory 偱偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -o /some/directory     -j READONLY                劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
僆僽僕僃僋僩偑僨傿儗僋僩儕偺応崌丄LIDS 偼僨傿儗僋僩儕偦偺傕偺偲丄嵞婣揑
偵偦偺壓偺摨偠僼傽僀儖僔僗僥儉忋偵偁傞傕偺傪曐岇偟傑偡丅(e.g. LIDS 偺
ACL 偼僼傽僀儖僔僗僥儉偺嫬奅傪墇偟傑偣傫両) 偙傟偼妎偊偰偍偔傋偒旕忢偵
廳梫側偙偲偱丄偦傟偵傛傝丄偼偐傜偢傕僔僗僥儉偺堦晹傪曐岇偝傟側偄傑傑偵
偟偰偍偔偙偲偑側偔側傝傑偡丅

撉傒偲傝愱梡偲偟偰曐岇偟偰偍偒偨偄偲巚偆僨傿儗僋僩儕偼丄/etc 偱偟傚偆丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -o /etc -j READONLY                               劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.3. 扤偐傜傕僼傽僀儖/僨傿儗僋僩儕傪塀偡偙偲偼偱偒傑偡偐丠

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -o /some/file_or_directory   -j DENY              劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
孞傝曉偟傑偡偑丄偙傟偱丄root 偡傜傾僋僙僗偑弌棃側偔側傝傑偡丅偝傜偵丄傕
偟偙傟偑僨傿儗僋僩儕偱偁傟偽丄偦偺壓偵偁傞慡偰偺僼傽僀儖偲僨傿儗僋僩儕
傕塀偝傟傑偡 (傕偪傠傫丄摨偠僼傽僀儖僔僗僥儉偵偁傟偽丄偱偡)丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.4. 捛婰偟偐偱偒側偄傛偆偵儘僌僼傽僀儖傪曐岇偡傞曽朄偼丠

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -o /some/log/file  -j APPEND                      劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偵傛傝丄摨帪偵扤偐偑僼傽僀儖偺枛旜偵彂偒偙傫偱傕丄婛懚偺撪梕傪徚偟
偨傝曄峏偟偨傝偱偒側偄傛偆偵側傝傑偡丅僔僗僥儉儘僌傪捛婰愱梡偲偟偰曐岇
偡傞娙扨側曽朄偼偙偆偱偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -o /var/log  -j APPEND                            劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.5. /etc/shadow 僼傽僀儖傪撉傓偺偵丄壗傕嫋壜偑側偗傟偽丄偳偆傗偭偰巹偼
僔僗僥儉偵擣徹偝傟傞偺丠

儐乕僓偑帺暘帺恎傪僔僗僥儉偵擣徹偝偣傞偵偼丄偄偔偮偐偺僾儘僌儔儉偵 /etc
/shadow 傊偺撉傒偲傝愱梡偺傾僋僙僗傪偝偣傞昁梫偑偁傝傑偡丅撉傒偲傝傾僋
僙僗傪梌偊傞傛偆偵峫椂偡傞偐傕抦傟側偄僾儘僌儔儉偲偟偰偼亅 login, sshd,
su, vlock 側偳偑偁傝傑偡丅 login 僾儘僌儔儉偑 /etc/shadow 傪撉傔傞傛偆
偵偡傞偵偼丄偙偺 ACL 傪巊偄傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -s /bin/login -o /etc/shadow -j READONLY          劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙偺応崌丄"-s" 僆僾僔儑儞偼 subject 偱偁傞 /bin/login 傪巜掕偟偰偄傑偡
丅subject 偵懳偟偰丄object (/etc/shadow) 傊偺撉傒偲傝愱梡傾僋僙僗傪梌偊
偰偄傞偙偲偵側傝傑偡丅偙傟偵傛傝丄/var/log 埲壓偵偁傞慡偰偺僼傽僀儖偑捛
婰愱梡偲偟偰曐岇偝傟傑偡丅READ 傗 DENY 偲摨條偵丄偙偺僞乕僎僢僩傕嵞婣揑
偱偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.6. /etc 傪撉傒偲傝愱梡偱曐岇偟偨傜丄mount 偼偳偆傗偭偰 /etc/mtab 傊彂
偒偙傒傪偡傞偺偱偟傚偆丠

偱偒傑偣傫丅偙偺栤戣傪廋惓偡傞偵偼丄/etc/mtab 僼傽僀儖傪嶍彍偟偰丄/proc
/mounts 傊偺僔儞儃儕僢僋儕儞僋偵抲偒偐偊傞曽朄偑偁傝傑偡丅偙傟傪婡擻偝
偣傞偨傔偵偼丄婲摦僗僋儕僾僩傪廋惓偟偰丄慡偰偺 mount 偲 umount 僐儅儞僪
偑 "-n" 僆僾僔儑儞傪巊偆傛偆偵偡傞昁梫偑偁傝傑偡丅偙傟偵傛傝丄mount 偲
umount 偼 /etc/mtab 僼傽僀儖傪峏怴偟側偔側傝傑偡丅 

椺偊偽丄偙偆偄偆傕偺傪亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆mount -av -t nonfs,noproc                                           劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
婲摦僗僋儕僾僩偺拞偵尒偮偗偨側傜丄偙偺傛偆偵曄峏偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆mount -av -n -t nonfs,noproc                                        劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙偆偄偭偨 mount 僐儅儞僪偼丄婲摦僗僋儕僾僩慡懱偵嶶嵼偟偰偄傞偱偟傚偆丅
偦傟傜慡偰傪曔傑偊傞偨傔偵丄grep 傪巊偭偰偔偩偝偄丅摨偠曽朄偱丄慡
umount 僐儅儞僪偺廋惓傕偟偨偄偲巚偆偱偟傚偆丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.7. LIDS 偑丄婲摦帪偵 modules.dep 僼傽僀儖偵彂偒偙傔側偄丄偲暥嬪傪尵偄
傑偡丅壗偑埆偄偺偱偡偐丠

偙傟偼丄/lib 偑撉傒偙傒愱梡偱曐岇偝傟偰偄傞帪偵 (偦偆偡傞偺偼丄傛偄偙偲
偱偡) 敪惗偟傑偡丅庴偗偲傞僄儔乕偼丄偙偆偄偆姶偠偵側傝傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆LIDS: depmod (3 12 inode 16119) pid 13203 user (0/0) on tty2: Try to open /lib/modules/2.2.18/modules.dep for writing,flag=578劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偼丄婲摦帪偵 /etc/rc.d/rc.sysinit 婲摦僗僋儕僾僩偑儌僕儏乕儖偺埶懚
惈傪嵞峔抸偟傛偆偲偡傞偐傜偱偡丅捠忢丄偙傟偼昁梫偁傝傑偣傫丅偲偄偆偺傕
丄儌僕儏乕儖傪捛壛偟偨傝曄峏偟偨傝嶍彍偟偨傝偟側偄尷傝丄儌僕儏乕儖偺埶
懚惈偼曄壔偟側偄偐傜偱偡丅僄儔乕偼柍奞偱偡偑丄尒傞偺偑偄傗側傜扨弮偵 /
etc/rc.d/rc.sysinit僗僋儕僾僩拞偱儌僕儏乕儖偺埶懚惈傪嵞峔抸偟偰偄傞峴
(depmod -a 偲偄偭偨傕偺傪扵偟偰偔偩偝偄) 傪僐儊儞僩傾僂僩偡傞偙偲偑偱偒
傑偡丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.8. 儘僌傪捛婰愱梡偱曐岇偟偰偄傞偲丄logrotated 偼偳偆傗偭偰儘僌傪儘乕
僥乕僩偡傞偺偱偟傚偆丠

側偝傟傑偣傫丅儘僌偺儘乕僥乕僔儑儞偼丄LIDS_GLOBAL 偑柍岠偵側偭偰偄傞帪
偵丄儘僌儘乕僥乕僔儑儞儐乕僥傿儕僥傿傪庤摦偱幚峴偟偰側偝傟傞傋偒傕偺偱
偡丅儘僌偺儘乕僥乕僔儑儞傪惗婲偡傞 cron 偺僕儑僽偼柍岠偵偡傞傋偒偱偡丅
(暿夝偵偮偄偰偼壓婰傪嶲徠偟偰偔偩偝偄)

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.9. 側偤丄扨弮偵儘僌儘乕僥乕僔儑儞儐乕僥傿儕僥傿偵儘僌僼傽僀儖偺偁傞僨
傿儗僋僩儕傊偺彂偒偙傒嫋壜傪梌偊傞曽朄偱丄偦傟傜傪儘乕僥乕僩偡傞傛偆偵
偟偰偼偄偗側偄偺偱偡偐丠

偟偰傕峔偄傑偣傫偑丄偍姪傔偟傑偣傫丅扤偐偑僔僗僥儉偵怤擖偟丄椺偊斵傜偑
儘僌傪曄峏偡傞偙偲偑偱偒側偔偰傕丄怤擖偺娫偵廤傔傜傟偨忣曬傪帩偭偨儘僌
偑抧忋偐傜巔傪徚偡傑偱丄(儘僌儘乕僥乕僔儑儞儐乕僥傿儕僥傿傪庤摦偱幚峴偟
偰) 儘乕僥乕僩傪昁梫側偩偗孞傝曉偡偙偲偑偱偒傑偡丅偙傟偼丄崅搙側僙僉儏
儕僥傿偺偨傔偵巟暐偆傋偒戙壙偺堦晹側偺偱偡丅 

儘僌儘乕僥乕僔儑儞儐乕僥傿儕僥傿偵 /var/log 傊偺彂偒偙傒傾僋僙僗傪偝偣
傞暿夝偲偟偰偼丄cron 僨乕儌儞偵 /var/log 傊偺彂偒偙傒嫋壜傪梌偊丄偦傟傪
宲彸壜擻偲偡傞曽朄偑偁傝傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆lidsconf -A -s /usr/sbin/crond -i -o /var/log   -j WRITE            劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偱丄扤偐偑庤摦偱儘僌儘乕僥乕僔儑儞儐乕僥傿儕僥傿傪幚峴偡傞偙偲偼偱
偒傑偣傫偑丄cron 僨乕儌儞偵傛偭偰幚峴偝傟偨帪偼摦嶌偡傞傛偆偵側傝傑偡丅
寈崘丗 cron 僨乕儌儞偵惼庛惈偑尒偮偐偭偨応崌偼丄扤偐偑偦偙傪撍偔偲丄
cron 偑 /var/log 傊偺彂偒偙傒尃傪傕偭偰偄傞偨傔偵儘僌傪堦憒偱偒偰偟傑偄
傑偡丅偙傟偼丄偦傕偦傕 MAC 傪梡偄傞栚揑傪柍堊偵偟傑偡丅側偵偟傠丄惼庛惈
偑尒偮偐傟偽丄崱傗傾僋僙僗惂屼偼塈夞偝傟摼傞偺偱偡偐傜丅偙偺僆僾僔儑儞
偼帺屓愑擟偺傕偲偵巊偆傛偆偵両

峏怴丗怴偟偄帪娫惂尷婡擻偺偨傔丄crond 偑 /var/log 偵彂偒偙傒尃尷傪傕偭
偰偄傞側傜丄偦傟傪摿掕偺帪娫懷偵惂尷偡傞偺傪偍姪傔偟傑偡丅椺偊偽丄
logrotated 偑 crond 偵傛偭偰枅擔 6:00 AM 偵幚峴偝傟傞側傜丄crond 偺彂偒
偙傒尃尷傪 1 暘娫偵惂尷偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/sbin/crond -i 2 -o /var/log -t 0600-0601 -j WRITE 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
1 暘偑廫暘側挿偝偱側偄側傜丄logrotated 偑柍帠幚峴傪廔偊傞傑偱丄帪娫傪 1
暘偯偮憹傗偟偰偔偩偝偄丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.10. LIDS 偑桳岠側帪丄僔儍僢僩僟僂儞傑偱僼傽僀儖僔僗僥儉偑傾儞儅僂儞僩
弌棃傑偣傫丅偳偆偡傟偽傛偄偱偟傚偆丠

偙傟偼丄CAP_SYS_ADMIN 尃尷傪慡懱偱柍岠偵偟偰偄偰丄偐偮僼傽僀儖僔僗僥儉
傪傾儞儅僂儞僩偡傞偨傔偺揔愗側尃尷傪 shutdown 僗僋儕僾僩偵梌偊偰偄側偄
応崌偵偍偙傝傑偡丅椺偊偽丄Red Hat6.2 偱偼丄/etc/rc.d/init.d/halt 僗僋儕
僾僩偑僼傽僀儖僔僗僥儉偺傾儞儅僂儞僩傪峴偄傑偡丅偦傟偵 CAP_SYS_ADMIN 尃
尷傪梌偊傞昁梫偑偁傝傑偡丅偦偆偟偰丄僼傽僀儖僔僗僥儉偺傾儞儅僂儞僩偑壜
擻偵側傞偺偱偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -s /etc/rc.d/init.d/halt -o CAP_SYS_ADMIN -i 1 -j GRANT 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
僞乕僎僢僩 "GRANT" 偼 LIDS 偵 subject (偙偺応崌丄/etc/rc.d/init.d/halt)
偵 CAP_SYS_ADMIN 尃尷傪嫋壜偡傞傛偆偵揱偊傑偡丅 "-i 1" 僆僾僔儑儞偼丄
ACL 偺 "宲彸儗儀儖" 傪 1 偵僙僢僩偟傑偡丅 

偙傟偵傛傝丄/etc/rc.d/init.d/halt 僗僋儕僾僩傪幚峴偱偒傞扤偐偵傕丄僼傽
僀儖僔僗僥儉偺傾儞儅僂儞僩偑壜擻偵側傞偙偲偵拲堄偟偰偔偩偝偄丅傕偟儅僔
儞偵暔棟揑偵傾僋僙僗偱偒傞側傜丄僔儍僢僩僟僂儞僗僋儕僾僩偵尃尷傪梌偊傞
傛傝傕丄僔儍僢僩僟僂儞偺慜偵 LIDS_GLOBAL 傪柍岠偵偡傞偩偗偺曽偑偄偄偐傕
偟傟傑偣傫丅偲偼偄偊丄掆揹帪偵僔僗僥儉傪僔儍僢僩僟僂儞偝偣傞偙偲偑偱偒
傞 UPS 傪帩偭偰偄傞側傜丄LIDS_GLOBAL 傪柍岠偵偡傞傢偗偵偼偄偐側偄偱偟傚
偆丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.11. 側偤摿尃億乕僩傪巊偆僒乕價僗偑 root 偱奐巒偱偒側偄偺偱偡偐丠

摿尃億乕僩 (1024 埲壓偺傕偺) 偱憱傞僒乕價僗偼丄億乕僩偵僶僀儞僪偡傞偨傔
偵 CAP_NET_BIND_SERVICE 尃尷傪昁梫偲偟傑偡丅/etc/lids/lids.cap 僼傽僀儖
偱偙偺尃尷傪慡懱揑偵柍岠偵偟偰偄傞側傜丄僾儘僌儔儉枅偵偦偺尃尷傪嫋壜偣
偹偽側傝傑偣傫丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -s /usr/local/bin/apache -o CAP_NET_BIND_SERVICE 80 -j GRANT劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偁傞偄偼丄LIDS_GLOBAL 偑柍岠側偲偒偵僒乕價僗傪奐巒偟偰偔偩偝偄丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.12. 側偤摿尃億乕僩傪巊偆僒乕價僗傪 LFS 偐傜奐巒偱偒側偄偺偱偡偐丠

LFS 偼丄扨堦偺抂枛僙僢僔儑儞偵揔梡偝傟傑偡丅僨乕儌儞偼丄惂屼抂枛偐傜帺
暘傪愗傝棧偡偨傔偵丄帺暘帺恎傪 fork 偟傑偡丅偙偆側傞偲丄偦傟偼傕偼傗抂
枛偺 LFS 偵偼愙懕偝傟偰偍傜偢丄備偊偵 LIDS 偵曐岇偝傟傞偙偲偵側傞偺偱偡
丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.13. 尃尷傪柍岠/桳岠偵偡傞曽朄偼丠

/etc/lids/lids.cap 僼傽僀儖偑 LIDS 偱嫮壔偝傟偨 Linux 僇乕僱儖偱棙梡偱
偒傞慡尃尷偺儕僗僩傪曐帩偟偰偄傑偡丅摢偵 "+" 偺偁傞傕偺偑丄桳岠偵側偭偰
偄傞傕偺偱丄"-" 偑摢偵偮偄偰偄傞傕偺偼丄柍岠側傕偺偱偡丅尃尷偺忬懺傪曄
峏偡傞偵偼丄扨偵僥僉僗僩僼傽僀儖傪曇廤偟偰 "+" 傪 "-" 偵曄偊傟偽尃尷偼
柍岠偵側傝傑偡偟丄媡偩偲桳岠偵側傝傑偡丅僼傽僀儖偺曇廤偑廔傢偭偨傜丄
LIDS 偵愝掕僼傽僀儖傪儕儘乕僪偝偣傞昁梫偑偁傝傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.14. LIDS 偑桳岠偵側偭偰偄傞偲 X Window System 偑摦嶌偟側偄偺偼側偤偱
偡偐丠

巊梡偟偰偄傞 X 僒乕僶偵偼 CAP_SYS_RAWIO 尃尷偑昁梫偱偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -A -s /path/to/your/X_server -o CAP_SYS_RAWIO -j GRANT 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.15. 偙傟傜 ACL 慡偰偵懳偟偰丄巹偼堦懱慡懱偳偆傗偭偰帺暘偺愝掕傪攃埇偟
偰偍偗偽傛偄偺偱偟傚偆丠

偁側偨偑朷傓慡偰偺 ACL 傪僔僗僥儉偵捛壛偡傞僔僃儖僗僋儕僾僩傪嶌惉偡傞偺
傪偍姪傔偟傑偡丅偙偆偡傟偽丄僔僗僥儉傪曄峏偟偨帪偵丄偼偐傜偢傕壗偐傪曐
岇偝傟側偄傑傑偵偟偰偍偔偙偲偼偁傝傑偣傫丅僗僋儕僾僩偼丄屆偄 ACL 傪徚偡
偙偲偐傜巒傔傟偽丄2 廳偵愝掕偡傞偙偲傕偁傝傑偣傫丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆bash# lidsconf -Z                                                   劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙偺僔僃儖僗僋儕僾僩傪曐岇偡傞偵偼丄偦傟傊偺傾僋僙僗傪 DENY 偡傞 ACL 傪
嶌偭偨傝丄/etc/lids 僨傿儗僋僩儕傊攝抲偟偰帺摦揑偵 DENY 偱曐岇偝傟傞傛
偆偵傕偱偒傑偡丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.16. 婲摦偲僔儍僢僩僟僂儞偺帪偵 LIDS 偑暥嬪傪尵傢側偄傛偆偵丄init 偵 /
etc/initrunlvl 傊偺彂偒偙傒傾僋僙僗傪嫋偡偵偼偳偆偡傟偽偄偄偱偡偐丠

晄岾偵傕丄偙傟偵偮偄偰弌棃傞偙偲偼偦偆懡偔偁傝傑偣傫丅init 偼婲摦偺搙偵
偙偺僼傽僀儖傪嵞嶌惉偡傞偺偱丄枅夞 i僲乕僪斣崋偑曄壔偡傞偺偱偡丅偙傟偵
傛傝丄偦偺僼傽僀儖偼 LIDS 偵偼埖偄偵偔偔側傝傑偡丅偙偺僄儔乕偼柍奞偱偡
偟丄/etc/initrunlvl 偑側偔偰傕僔僗僥儉偼揔愗偵婡擻偟傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.17. 僾儘僙僗偼丄恊僾儘僙僗偐傜偦偺僼傽僀儖 ACL 傪宲彸偱偒傑偡偐丠

偱偒傑偡丅僶乕僕儑儞 0.9.12 偐傜 2.2.18 傑偱偼丄偙傟偑僨僼僅儖僩偺摦嶌
偱偟偨丅尰嵼偼丄僨僼僅儖僩偱偼丄巕偼偦偺恊偐傜僼傽僀儖 ACL 傪宲彸偟傑偣
傫丅恊僾儘僙僗偐傜巕僾儘僙僗傊僼傽僀儖 ACL 偑堏峴偱偒傞傛偆偵偡傞偵偼丄
"-i <宲彸儗儀儖>" 僆僾僔儑儞傪巊偆昁梫偑偁傝傑偡丅 

"宲彸儗儀儖" (暿柤 TTL) 偲偼丄ACL 偑宲彸偝傟傞悽戙悢傪寛掕偟傑偡丅TTL
偵 1 偑巜掕偝傟傟偽丄ACL 偱巜掕偝傟偨 subject 偲偦偺巕慡偰偼 ACL 傪宲彸
偟傑偡丅偟偐偟丄巕偺巕 (暿偺尵偄曽傪偡傟偽 ACL 偺 subject 偺懛) 偼 ACL
傪宲彸偟傑偣傫 (偙偆側傞傛偆偵偡傞偵偼丄TTL 傪 2 偵偡傞昁梫偑偁傝傑偡)
丅

拲堄丗尃尷傪嫋壜偡傞 ACL 偵傕丄偙傟傜偲摨偠宲彸偺儖乕儖偑揔梡偝傟傑偡丅

僙僉儏儕僥傿忋偺峏怴 LIDS 1.1.1prex 媦傃 0.10.1 埲崀偱偼丄曐岇偝傟偨僾
儘僌儔儉偺傒偑偦偺恊偐傜 ACL 傪宲彸偡傞偙偲偑偱偒傑偡丅曐岇偝傟偰偄側偄
僾儘僙僗偵 ACL 偺宲彸傪嫋偡偲丄exploit 偺尨場偲側傝傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.18. 彆偗偰両丂LIDS 偺傕偲偱偼丄僾儘僌儔儉 xyz 偑摦嶌偟側偄傛偆偱偡丅
偳偺僼傽僀儖/尃尷偵傾僋僙僗偡傞昁梫偑偁傞偺偐丄偳偆傗偭偰寛傔傞偺偱偟傚
偆丠

嵟弶偵偡傞傋偒偙偲偼丄扨弮偵僾儘僌儔儉傪幚峴偟偰丄LIDS 偑偳傫側堘斀傪捠
崘偟偰偔傞偐傪尒傞偙偲偱偡丅偲偼偄偊丄壗搙偙傟傪傗偭偰傕丄廫暘側忣曬偼
摼傜傟傑偣傫丅偙傟偑婲偒偨帪偼丄strace 傪巊偭偰僾儘僌儔儉傪捛偄偐偗偰丄
偳偺僔僗僥儉僐乕儖偑幐攕偟偰偄傞偺偐尒傞偙偲偑偱偒傑偡丅偙偆偡傞偲丄偨
偄偰偄偺応崌偼偳偺尃尷偑堘斀偟偰偄傞偺偐丄傛偄帵嵈傪摼傞偙偲偑偱偒傑偡
丅 

拲堄丗慡懱偱 CAP_SYS_PTRACE 傪柍岠偵偟偰偄傞側傜丄LIDS 偑桳岠側忬懺偱僾
儘僌儔儉偺捛愓偑偱偒傞傛偆偵丄堦帪揑偵 strace 偵 CAP_SET_PTRACE 尃尷傪
梌偊傞昁梫偑偁傝傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.19. /etc/shadow 僼傽僀儖傪峏怴偡傞揔愗側僷乕儈僢僔儑儞傪 passwd 偵梌
偊傞偵偼偳偆偡傟偽偄偄偱偡偐丠

巆擮側偑傜丄娙扨側夝偼懚嵼偟傑偣傫丅偙傟偼丄passwd 儐乕僥傿儕僥傿偑僷僗
儚乕僪傪曄峏偡傞偨傃偵 /etc/shadow 僼傽僀儖傪嵞嶌惉偡傞偐傜偱偡丅偙傟偵
傛傝丄passwd 儐乕僥傿儕僥傿傪惉岟棤偵巊偆搙偵丄堘偆 i 僲乕僪偐傜僼傽僀
儖偑巒傑傞偺偱偡丅

僔僗僥儉娗棟幰偵偼丄娙扨側夝寛朄偑偁傝傑偡丅LFS 傪奐巒偟偰丄LFS 偺拞偐
傜 passwd 儐乕僥傿儕僥傿傪巊偆偺偱偡丅僷僗儚乕僪傪曄峏偡傞昁梫偺偁傞儐
乕僓偑偄傞応崌丄LDAP 傪巊偊偽丄儐乕僓偑帺暘偺僷僗儚乕僪傪曄峏偱偒傞僋儔
僀傾儞僩擣徹庤抜傪採嫙偟偰偔傟傑偡丅

昗弨揑 unix 僔僗僥儉僼傽僀儖傪巊偭偰丄UNIX 擣徹傪偡傞帪偵丄儐乕僓偑帺暘
偺僔僗僥儉僷僗儚乕僪傪曄峏偱偒傞傛偆偵偡傞慖戰巿偑偁傝傑偡丅偱偡偑丄偍
姪傔偼偱偒傑偣傫丅/usr/bin/passwd 偵 /etc 傊偺彂偒偙傒傾僋僙僗傪梌偊傟
偽丄偄偮偱傕 shadow 僼傽僀儖傪偦偺 i 僲乕僪斣崋偵娭傢傜偢廋惓偱偒傞傛偆
偵側傝傑偡丅

寈崘丗扤偐偑 /usr/bin/password 傗丄偦傟偑巊偆儔僀僽儔儕/PAM 儌僕儏乕儖
偺壗傟偐偵惼庛惈傪敪尒偡傟偽丄偦偺恖偼愽嵼揑偵 /etc 僨傿儗僋僩儕傊偺彂
偒偙傒傾僋僙僗傪摼傞偙偲偑偱偒傑偡丅惼庛惈偑尒偮偐傟偽丄偁側偨偺傾僋僙
僗惂屼傪弌偟敳偔偙偲偑偱偒傞傢偗偱丄偙傟偼偦傕偦傕 MAC 傪梡偄傞栚揑傪柍
懯偵偡傞傕偺偱偡丅偙偺僆僾僔儑儞偼帺屓偺嵸検偱巊偆傛偆偵偟偰偔偩偝偄丅

/usr/bin/passwd 偵 /etc 傊偺彂偒偙傒傾僋僙僗傪梌偊傞偙偲偵偟偨偺側傜丄/
etc 偺壓偵偁偭偰丄/usr/bin/passwd 偑廋惓偱偒傞傛偆偵偟偨偔側偄僼傽僀儖
偲僨傿儗僋僩儕慡偰傪曐岇偡傞 ACL 傪嶌惉偡傞偙偲傪偍姪傔偟傑偡丅偙傟偵傛
傝丄忋婰偺儕僗僋偑挊偟偔尭彮偟傑偡 (偟偐傕惓妋偵峴偊偽丄姰慡偵庢傝彍偔
偙偲傕偱偒傑偡)丅椺偊偽丗
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc                     -j WRITE     劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/hosts.allow         -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/hosts.deny          -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/rc0.d               -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/rc1.d               -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/rc2.d               -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/rc3.d               -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/rc4.d               -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/rc5.d               -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/rc6.d               -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/init.d              -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/cron.d              -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/bin/passwd -o /etc/pam.d               -j READONLY  劆
劆...                                                                           劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
忋偼丄偳傫側偵憐憸椡傪鐥偟偔偟偨偲偙傠偱姰慡側儕僗僩偱偼偁傝傑偣傫偑丄
偒偭偐偗偵偼側傝傑偡丅/etc 偵 passwd 偵傾僋僙僗偝偣偨偔側偄僼傽僀儖傗僨
傿儗僋僩儕傪捛壛偟偨偲偒偼偄偮偱傕丄偦傟傪曐岇偡傞怴偟偄 ACL 傪嶌傜偹偽
側傜側偄偙偲傕丄摢偵擖傟偰偍偄偰偔偩偝偄丅

i 僲乕僪偺峏怴偵娭偡傞儊儌丗 /etc/shadow 傗 /etc/passwd 傊偺傾僋僙僗傪
嫋壜偡傞 ACL 傪掕媊偟偨側傜丄LIDS 偵i 僲乕僪傪峏怴偟偨偙偲傪抦傜偣丄偦
傟偐傜愝掕僼傽僀儖傪儕儘乕僪偡傞偺傪朰傟側偄傛偆偵偟側偗傟偽側傝傑偣傫
丅偝傕側偄偲丄栤戣偑惗偠傞偙偲偵側傝傑偡丅

椺偊偽丗/etc/passwd 偑 DENY 偱曐岇偝傟偰偍傝丄/bin/login 偼 /etc/passwd
傪撉傔傞傕偺偲偟傑偡丅僷僗儚乕僪傪曄峏偟偨屻丄i 僲乕僪偑峏怴偝傟側偗傟
偽丄扤偐偑師夞儘僌僀儞偟傛偆偲偟偨帪偵栤戣偑敪惗偟傑偡丅/bin/login 偼 /
etc/passwd 傪撉傒偙傓偙偲偑偱偒偢丄儘僌僀儞偑晄壜擻偵側傝傑偡丅偁傞偄偼
偝傜偵崜偔丄扨偵 <ENTER> 僉乕傪墴偡偩偗偱儘僌僀儞偱偒傞傛偆偵側偭偰偟傑
偆偺偱偡丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.20. LIDS 偑桳岠偵側偭偰偄傞偲丄ssh 傗 scp 偑摦嶌偟側偄偺偼壗屘偱偡偐
丠

僨僼僅儖僩偱偼丄ssh/scp 偼奜岦偒偺僐僱僋僔儑儞傪嶌惉偡傞帪偵丄僜乕僗億
乕僩偲偟偰摿尃億乕僩傪巊偍偆偲偟傑偡丅偙傟偵偼丄CAP_NET_BIND_SERVICE 尃
尷偑昁梫偱偡丅偱偡偑丄僜乕僗億乕僩偲偟偰 1023 埲忋偺億乕僩傪巊偆傛偆偵
嫮偄傞偨傔丄ssh_config 拞偱偙偺僆僾僔儑儞傪巜掕偡傞偙偲偑偱偒傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆UsePrivilegedPort no                                                劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偁傞偄偼丄ssh (scp 偼 ssh 傪巊偆偺偱丄偙傟傕摦嶌偟傑偡) 偵
CAP_NET_BIND_SERVICE 傪嫋壜偡傞偙偲傕偱偒傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆lidsconf -A -s /usr/bin/ssh -o CAP_NET_BIND_SERVICE 22 -j GRANT     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.21. OpenSSH 偑婲摦帪偵奐巒偝傟傑偣傫丅LIDS 偼 bash 偑塀偟僼傽僀儖偵傾
僋僙僗偟傛偆偲偟偰偄傞丄偲儗億乕僩傪弌偟偰偄傑偡丅偙傟偼偳偆偡傟偽捈傝
傑偡偐丠

偙傟偼丄僨僼僅儖僩億儕僔乕傪 DENY 偲偟偰旈枾尞傪曐岇偟偰偄傞帪偵敪惗偟
傑偡丅openssh-server 偺 RPM 偱採嫙偝傟傞 init 僗僋儕僾僩偼 /etc/ssh 壓
偵旈枾尞僼傽僀儖偑偁傞偐僠僃僢僋偟傑偡丅僗僋儕僾僩偼敪尒偱偒側偐偭偨応
崌丄偦傟傪惗惉偡傞偨傔偵 ssh-keygen 傪幚峴偟傑偡丅Beckeygenthe 尞偼幚嵺
偵偼偦偙偵偁傞偺偱丄ssh-keygen 偼幐攕偟偰丄婲摦僗僋儕僾僩偼廔椆偟傑偡丅

偙傟傪廋惓偡傞偵偼丄婲摦僗僋儕僾僩偐傜尞僼傽僀儖偺僠僃僢僋傪嶍彍偟傑偡
亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆start)                                                              劆
劆      # Create keys if necessary                                    劆
劆      #do_rsa_keygen;  <------------ Comment out these lines        劆
劆      #do_dsa_keygen;                                               劆
劆                                                                    劆
劆      echo -n "Starting sshd: "                                     劆
劆      if [ ! -f $PID_FILE ] ; then                                  劆
劆              sshd                                                  劆
劆              RETVAL=$?                                             劆
劆              if [ "$RETVAL" = "0" ] ; then                         劆
劆                      success "sshd startup"                        劆
劆                      touch /var/lock/subsys/sshd                   劆
劆              else                                                  劆
劆                      failure "sshd startup"                        劆
劆              fi                                                    劆
劆      fi                                                            劆
劆      echo                                                          劆
劆      ;;                                                            劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
拲堄丗偙傟偑堄枴偡傞偺偼丄sshd 偑婲摦偡傞傛傝慜偵丄庤摦偱旈枾尞傪嶌傞昁
梫偑偁傞丄偲偄偆偙偲偱偡丅偝傕側偗傟偽丄婲摦偼幐攕偟傑偡丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.22. 塀偟僾儘僙僗偑憱偭偰偄傞偨傔丄僔儍僢僩僟僂儞帪偵僼傽僀儖僔僗僥儉
偺偄偔偮偐偑傾儞儅僂儞僩偱偒傑偣傫丅偳偆偡傟偽偦傟傜傪 kill 偱偒傑偡偐
丠

塀偟僾儘僙僗偱傕丄偦偺僾儘僙僗 id (pid) 偑傢偐傟偽 kill 偱偒傑偡丅懡偔
偺僔僗僥儉偱偼丄婲摦帪偵奐巒偝傟偨慡僾儘僙僗偺 pid 傪丄/var (晛捠 /var/
run 偑巊傢傟傑偡) 偺壓偺偳偙偐偵曐懚偟傑偡丅僔儍僢僩僟僂儞僗僋儕僾僩傪
廋惓偟偰丄偙傟傜偺僼傽僀儖偐傜 pid 傪撉傒丄揔愗側僔僌僫儖傪憲傞傛偆偵偱
偒傑偡丅 

椺偊偽丄僔僗僥儉偑 pid 傪 /var/run/<僾儘僙僗柤>.pid 偵曐懚偟偰偄傞側傜
丄埲壓偺峴傪僔儍僢僩僟僂儞僗僋儕僾僩偵捛壛偡傞偙偲偑偱偒傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆for p in `ls /var/run/*.pid`                                        劆
劆do                                                                  劆
劆   kill -15 `cat $p`                                                劆
劆done                                                                劆
劆sleep 5                                                             劆
劆sync;sync;sync                                                      劆
劆                                                                    劆
劆for p in `ls /var/run/*.pid`                                        劆
劆do                                                                  劆
劆   kill -9 `cat $p`                                                 劆
劆done                                                                劆
劆sleep 5                                                             劆
劆sync;sync;sync                                                      劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟傜偺峴傪娷傓僔儍僢僩僟僂儞僗僋儕僾僩偵丄CAP_KILL 偲 CAP_INIT_KILL
尃尷傪嫋壜偟側偗傟偽側傝傑偣傫丅/var/run 僨傿儗僋僩儕傪 init 僗僋儕僾僩
孮埲奜偺慡偰偐傜塀偡偺傕丄偍偦傜偔傛偄峫偊偱偡丅

暿夝偲偟偰偼丄慡偰偺僾儘僙僗偵丄TERM 偲 KILL 偺僔僌僫儖傪扨偵憲傞偲偄偆
偺傕偁傝傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆MAX_PROC=65535                                                      劆
劆trap : 1 2 15                                                       劆
劆I=1;while (( $I < $MAX_PROC ));do                                   劆
劆        I=$(($I+1));                                                劆
劆        if (( $$ != $I ));then                                      劆
劆                kill -15 $I;                                        劆
劆        fi;                                                         劆
劆done                                                                劆
劆sleep 5                                                             劆
劆sync;sync;sync;                                                     劆
劆I=1;                                                                劆
劆while (( $I < $MAX_PROC ));do                                       劆
劆        I=$(($I+1));                                                劆
劆        if (( $$ != $I ));then                                      劆
劆                kill -9 $I;                                         劆
劆        fi;                                                         劆
劆done                                                                劆
劆sync;sync;sync                                                      劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

Nenad Micic 偼僔儍僢僩僟僂儞帪偵塀傟僾儘僙僗傪 kill 偡傞撈帺偺 C 僾儘僌
儔儉 <http://www.bg.ac.yu/~mclaffin/lids/mklidsconf/sbin/brc.c> 傪彂偒
傑偟偨丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.23. 婎杮揑側愝掕偐傜巒傔偨偄偩偗側傫偱偡丅捛壛偺曐岇傪採嫙偟偰偔傟偰
丄偝傜偵僔僗僥儉偺婡擻偺傎偲傫偳傪捠忢捠傝偵偟偰偍偄偰偔傟傞偍姪傔偺僙
僢僩傾僢僾偼偁傝傑偡偐丠

偙傟傜偺僇乕僱儖僆僾僔儑儞傪慖戰偡傞傛偆偵偟偰偔偩偝偄亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆  ...                                                                     劆
劆  [*]    Security alert when execing unprotected programs before sealing  劆
劆  [*]      Do not execute unprotected programs before sealing lids        劆
劆  ...                                                                     劆
劆  [*]    Allow switching LIDS protections                                 劆
劆  ...                                                                     劆
劆  [*]      Allow reloading config. file                                   劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
弌敪揰偲偟偰傛偄偺偼丄init 僗僋儕僾僩傗僔僗僥儉僶僀僫儕丄儔僀僽儔儕傪曐
岇偡傞傕偺偱偟傚偆 (僨傿僗僩儘偵傛偭偰偙傟傜偼曄壔偡傞偙偲偵拲堄) 亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /etc/rc0.d                  -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc1.d                  -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc2.d                  -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc3.d                  -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc4.d                  -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc5.d                  -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc6.d                  -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/init.d                 -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc                     -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc.local               -j READONLY        劆
劆/sbin/lidsconf -A -o /etc/rc.sysconfig           -j READONLY        劆
劆                                                                    劆
劆/sbin/lidsconf -A -o /bin                        -j READONLY        劆
劆/sbin/lidsconf -A -o /sbin                       -j READONLY        劆
劆/sbin/lidsconf -A -o /lib                        -j READONLY        劆
劆                                                                    劆
劆/sbin/lidsconf -A -o /usr/bin                    -j READONLY        劆
劆/sbin/lidsconf -A -o /usr/sbin                   -j READONLY        劆
劆/sbin/lidsconf -A -o /usr/lib                    -j READONLY        劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
/usr/local 偑暿偺僷乕僥傿僔儑儞偵偁傞側傜丄埲壓偺 ACL 傕壛偊偰偔偩偝偄
亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /usr/local/bin              -j READONLY        劆
劆/sbin/lidsconf -A -o /usr/local/sbin             -j READONLY        劆
劆/sbin/lidsconf -A -o /usr/local/lib              -j READONLY        劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

/etc/lids/lids.cap 僼傽僀儖偱丄CAP_SYS_RAWIO 偲 CAP_SYS_PTRACE 傕柍岠偵
偡傞傋偒偱偡丅CAP_SYS_RAWIO 傪柍岠偵偟側偗傟偽丄僨僶僀僗偵捈愙彂偒偙傓
偙偲偱丄扤偱傕忋婰偺僼傽僀儖曐岇傪柍帇偱偒偰偟傑偄傑偡丅

X Window System 傪幚峴偟偰偄傞側傜丄LIDS 偺壓偱 X 傪摦嶌偝偣傞偙偲偵偮
偄偰丄忋婰傕嶲徠偡傞傛偆偵偟偰偔偩偝偄丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.24. 擔帪傪傕偲偵偟偰傾僋僙僗傪惂尷偡傞偙偲偼偱偒傑偡偐丠

偱偒傑偡丅LIDS 僶乕僕儑儞 0.10.1 for 2.2.19 偲僶乕僕儑儞 1.0.10 for
2.4.5 偱偺怴偟偄婡擻偱丄ACL 偺婰嵹傪帪娫惂尷偱偒傞傛偆偵偟傑偡丅椺偊偽
丄儘僌僀儞傪 9:00 AM 偐傜 6:00 PM (18:00) 傑偱偺帪娫偺傒嫋偡偵偼亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /bin/login -o /etc/shadow -t 0900-1800 -j READONLY 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
偙傟偱丄/bin/login 偼 /etc/shadow 僼傽僀儖傪巜掕偝傟偨帪娫懷偵偺傒撉傓
偙偲偑偱偒傞偺偱丄偦偺帪娫懷埲奜偺偁傜備傞儘僌僀儞偺帋傒偼幐攕偟傑偡丅
斲掕偺偨傔偵 "!" 墘嶼巕傪巊偆偙偲傕偱偒傑偡 (椺偊偽丄ACL 偑儕僗僩偝傟偨
帪娫懷埲奜偺慡傾僋僙僗傪嫋梕偡傞丄側偳)丅

crond 偵帪娫惂尷偝傟偨尃尷傪梌偊傞側傜丄(root 傪娷傓)慡堳偐傜 crontab
傪塀偟丄crond 偺傒偑偦傟傜傪撉傔傞傛偆偵偡傞偙偲傪摿偵偍姪傔偟傑偡丅偝
傕側偗傟偽丄偦偺 crontab 傪尒偰丄偳偺帪娫偵壗偐傪帋偟偰怘偄傕偺偵偡傟偽
偄偄偐丄扤偐偑専摙傪偮偗偰偟傑偆偐傕抦傟傑偣傫丅儐乕僓偺傕偺偩偗偱側偔
丄僔僗僥儉偺 crontab 傪庣傞偙偲傕朰傟側偄偱偔偩偝偄丅

椺偊偽丄偙傟傜偼塀偡傋偒偱偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/var/spool/cron/                                                    劆
劆/etc/crontab                                                        劆
劆/etc/cron.hourly/                                                   劆
劆/etc/cron.daily/                                                    劆
劆/etc/cron.weekly/                                                   劆
劆/etc/cron.monthly/                                                  劆
劆/etc/cron.d/                                                        劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

寈崘丗偙偺怴偟偄婡擻偼僔僗僥儉偺帪崗偵埶懚偟偰偄傞偺偱丄僔僗僥儉偺帪崗
傪曄峏偟摼傞偳傫側僾儘僌儔儉 (椺偊偽 /sbin/hwclock) 偵傕丄CAP_SYS_RAWIO
傪梌偊傞傋偒偱偼偁傝傑偣傫丅偙傟偵傛偭偰丄扤偐偑僔僗僥儉偺帪崗傪曄峏偟
偰丄帪娫惂尷傪偡傝敳偗偰偟傑偆偐傕偟傟傑偣傫丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.25. 僾儘僌儔儉偑僶僀儞僪偱偒傞億乕僩傪惂尷偡傞偵偼偳偆偡傟偽偄偄偺丠

僶乕僕儑儞 0.10.1 for 2.2.19 偲僶乕僕儑儞 1.0.11 for 2.4.6 偐傜偼丄僾儘
僌儔儉偑僶僀儞僪偱偒傞摿尃億乕僩傪惂尷偱偒傑偡丅僾儘僌儔儉偵
CAP_NET_BIND_SERVICE 尃尷傪梌偊傞応崌偵偼丄僾儘僌儔儉偑僶僀儞僪偱偒傞億
乕僩 (孮) 傪偦偺屻偵巜掕偟傑偡丅師偺傛偆偵偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /bin/httpd -o CAP_NET_BIND_SERVICE 80-80 -j GRANT劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
傑偨偼丄SSL 梡偵 443 億乕僩傕僶僀儞僪偡傞昁梫偑偁傞側傜亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /bin/httpd -o CAP_NET_BIND_SERVICE 80-80,443-443 -j GRANT劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
僾儘僌儔儉偑億乕僩偺斖埻傪昁梫偲偡傞側傜丄偙偺傛偆偵偟偰傒偰壓偝偄亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /path/to/program -o CAP_NET_BIND_SERVICE 423-867 -j GRANT劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.26. /etc/mtab 傪 /proc/mounts 傊偺僔儞儃儕僢僋儕儞僋偵偟偰傕丄儐乕僓
僋僆乕僞偼婡擻偟傑偡偐丠

偼偄丄"-a" 僆僾僔儑儞偱 quotaon 傪奐巒偡傟偽傛偄偺偱偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.27. LIDS 偑曐岇偟偰偄傞僼傽僀儖傪曇廤偡傞偲丄LIDS 偵曐岇偝傟側偔側傞
傛偆偱偡丅側偤偱偡偐丠

懡偔偺僄僨傿僞 (椺偊偽 vi) 偼丄曇廤拞偺僼傽僀儖傪僥儞億儔儕僼傽僀儖偵僐
僺乕偟傑偡丅曄峏偼慡偰偦偺僥儞億儔儕僼傽僀儖偵懳偟偰側偝傟傞偺偱偡丅僄
僨傿僞傪廔椆偡傞偲丄僥儞億儔儕僼傽僀儖偑僆儕僕僫儖偺僼傽僀儖傪忋彂偒偟
傑偡丅偙傟偵傛偭偰僆儕僕僫儖僼傽僀儖偺 i 僲乕僪偑曄傢傝丄偦偺僼傽僀儖偵
娭學偟偰偄偨埲慜偺 LIDS ACL 偼傕偆婡擻偟側偔側傞偺偱偡丅偙偆擖椡偟偰亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -U                                                   劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
lids.conf 撪偺僼傽僀儖偺 i 僲乕僪傪峏怴偟偰偔偩偝偄丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

5.28. LIDS 偺愝掕傪峏怴偟偨傜丄偄偔偮偐偺僾儘僙僗偑尃尷傪幐偭偪傖偆傛偆
偱偡

偙傟偼丄僾儘僙僗偑尃尷傪宲彸偵傛偭偰摼偨帪偵婲偒傑偡丅師偺忬嫷傪峫偊偰
傒偰偔偩偝偄亅

恊僾儘僙僗偑丄偦偺尃尷傪巕僾儘僙僗偵梌偊偨偺偪丄恊僾儘僙僗偑廔椆偟偰丄
巕僾儘僙僗偑傑偩巆偭偰偄傞偲偟傑偡丅偙偺帪偵 LFS 傪奐巒偟偰丄 ACL 傪曄
峏偟偰愝掕傪儕儘乕僪偡傞偲丄 LIDS 偼嵞傃丄恊僾儘僙僗偺尃尷偲偦偺僾儘僙
僗帺恎偺尃尷偵婎偯偄偰丄尃尷傪梌偊傑偡丅偙偺偲偒丄恊僾儘僙僗偑摦偄偰偄
側偄偲偒偵偼丄僾儘僙僗偼偦傟傜偺尃尷傪庴偗庢傞帠偑弌棃偢偵丄僄儔乕傪曉
偟傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 6. 僙僉儏儕僥傿寈崘偺愝掕

6.1. 僱僢僩儚乕僋墇偟偵僙僉儏儕僥傿寈崘傪憲傞偵偼丄偳偺僇乕僱儖愝掕僆僾
僔儑儞偑昁梫偱偡偐丠

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆[*]   Send security alerts through network                          劆
劆[ ]      Hide klids kernel thread                                   劆
劆(3)      Number of connection tries before giving up                劆
劆(30)     Sleep time after a failed connection                       劆
劆(16)     Message queue size                                         劆
劆[*]      Use generic mailer pseudo-script                           劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
嵟弶偺僆僾僔儑儞偱丄僙僉儏儕僥傿寈崘偑巊偊傞傛偆偵側傝傑偡丅2 斣栚偺僆
僾僔儑儞偱偼丄寈崘傪憲傞僾儘僙僗傪塀偡偙偲偑偱偒傑偡丅儊乕儖偱偺捠抦偑
摦嶌偡傞傑偱偼丄偙偺僆僾僔儑儞偼柍岠側傑傑偵偟偰偍偔偙偲傪偍姪傔偟傑偡
丅側偤側傜丄偙傟偼僄儔乕儊僢僙乕僕偺儘僌庢傝傕朩偘傞偐傜偱偡丅嵟屻偺僆
僾僔儑儞偼丄偁傜備傞寈崘儊僢僙乕僕傪偁側偨偺儊乕儖僒乕僶偵憲傞偨傔偵丄
LIDS 偑採嫙偡傞堦斒揑側儊乕儔僗僋儕僾僩傪巊偆傛偆丄LIDS 偵巜帵偡傞傕偺
偱偡丅偙傟偼崱偺偲偙傠桞堦偺僆僾僔儑儞偱偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

6.2. LIDS 偺寈崘傪憲傞儊乕儖僒乕僶偲 e-mail 傾僪儗僗偺忣曬偼丄偳偙偱巜
掕偡傟偽偄偄偺偱偡偐丠

僙僉儏儕僥傿寈崘傪憲怣偡傞偺偵昁梫側慡偰偺忣曬偼丄/etc/lids/lids.net 僼
傽僀儖偱愝掕偝傟傞昁梫偑偁傝傑偡丅奺僆僾僔儑儞偺愢柧偼丄愝掕僼傽僀儖偦
偺傕偺偱採嫙偝傟傑偡丅e-mail 傾僪儗僗傪巜掕偡傞帪偼丄 e-mail 傾僪儗僗偺
慜屻偵丄偳傫側僗儁乕僗傕巆偝側偄傛偆偵婥傪偮偗偰偔偩偝偄丅偙傟偵傛傝丄
攝憲偵栤戣偑惗偠傞壜擻惈偑偁傝傑偡丅椺偊偽丄師偵嫇偘傞 2 偮偺MAIL_TO 偺
椺偼丄婡擻偟傑偣傫亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆"MAIL_TO= steve@somedomain.org"                                     劆
劆"MAIL_TO=steve@somedomain.org "                                     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊
拲堄丗擇廳堷梡晞偼丄屻偵懕偔僗儁乕僗傪帇妎壔偡傞偨傔偩偗偵巊傢傟偰偄傑
偡丅幚嵺偺愝掕僼傽僀儖偵偼娷傔偰偄偼偄偗傑偣傫丅

/etc/lids/lids.net 僼傽僀儖偵曄峏傪峴偭偨屻偼丄LIDS 偵愝掕僼傽僀儖偺儕
儘乕僪傪巜帵偡傞傛偆偵偟偰偔偩偝偄丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

6.3. LIDS 偑丄巹偺 qmail SMTP 僒乕僶偵偼寈崘傪攝怣偟偰偔傟側偄傛偆偱偡
丅偙傟偼捈偣傑偡偐丠

捈偣傑偡丅LIDS 偺僶乕僕儑儞 0.9.12 埲慜偩偲丄LIDS 偺 e-mail 寈崘傪
qmail SMTP 僒乕僶偱婡擻偝偣傞偵偼僷僢僠偑昁梫偱偡丅僷僢僠偼偙偙偵偁傝傑
偡亅 http://www.egroups.com/message/lids/1896.

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 7. 愝掕偺僒儞僾儖

拲堄丗 LIDS 偺奐敪偼媫懍偵恑傫偱偍傝丄幚嵺僜僼僩僂僃傾僷僢働乕僕傕曄壔
偟偰偄傞偨傔丄偙傟傜偺愝掕偺婔偮偐偼丄偒偪傫偲摦偐偢偵"傕偆懯栚"偵側偭
偰偄傞偐傕偟傟傑偣傫丅偟偐偟側偑傜丄偙傟傜偺愝掕偼丄偙偙偵嵹偭偰偄傞僒
乕價僗偺愝掕偵嫽枴偑偁傞恖偵偲偭偰丄椙偄僗僞乕僩億僀儞僩偵側傞偱偟傚偆
丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.1. 婎杮揑側僔僗僥儉偺僙僢僩傾僢僾

師偺傕偺偼丄婎杮揑側僔僗僥儉傪僙僢僩傾僢僾偡傞愝掕偺僒儞僾儖偱偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆# Protect System Binaries                                                     劆
劆# 僔僗僥儉僶僀僫儕偺曐岇                                                      劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /sbin                               -j READONLY          劆
劆/sbin/lidsconf -A -o /bin                                -j READONLY          劆
劆                                                                              劆
劆# Protect all of /usr and /usr/local                                          劆
劆# (This assumes /usr/local is on a separate file system).                     劆
劆# /usr 偲 /usr/local 偺曐岇                                                   劆
劆# (偙偙偱偼 /usr/local 偼暿偺僼傽僀儖僔僗僥儉忋偵偁傞偲憐掕偟偰偄傑偡)        劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /usr                                -j READONLY          劆
劆/sbin/lidsconf -A -o /usr/local                          -j READONLY          劆
劆                                                                              劆
劆# Protect the System Libraries                                                劆
劆#(/usr/lib is protected above since /usr/lib generally isn't                  劆
劆# on a separate file system than /usr)                                        劆
劆# 僔僗僥儉儔僀僽儔儕偺曐岇                                                    劆
劆# (/usr/lib 偼晛捠 /usr 偲暿偺僼傽僀儖僔僗僥儉忋偵偼側偄偺偱丄                劆
劆#  偡偱偵忋偱曐岇偝傟偰偄傑偡)                                                劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /lib                                -j READONLY          劆
劆                                                                              劆
劆# Protect /opt                                                                劆
劆# /opt 傪曐岇                                                                 劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /opt                               -j READONLY           劆
劆                                                                              劆
劆# Protect System Configuration files                                          劆
劆# 僔僗僥儉偺愝掕僼傽僀儖傪曐岇                                                劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /etc                                -j READONLY          劆
劆/sbin/lidsconf -A -o /usr/local/etc                      -j READONLY          劆
劆/sbin/lidsconf -A -o /etc/shadow                         -j DENY              劆
劆/sbin/lidsconf -A -o /etc/lilo.conf                      -j DENY              劆
劆                                                                              劆
劆# Enable system authentication                                                劆
劆# 僔僗僥儉偺擣徹傪桳岠偵                                                      劆
劆#                                                                             劆
劆/sbin/lidsconf -A -s /bin/login -o /etc/shadow           -j READONLY          劆
劆/sbin/lidsconf -A -s /usr/bin/vlock -o /etc/shadow       -j READONLY          劆
劆/sbin/lidsconf -A -s /bin/su -o /etc/shadow              -j READONLY          劆
劆/sbin/lidsconf -A -s /bin/su \                                                劆
劆                  -o CAP_SETUID                          -j GRANT             劆
劆/sbin/lidsconf -A -s /bin/su \                                                劆
劆                  -o CAP_SETGID                          -j GRANT             劆
劆                                                                              劆
劆# Protect the boot partition                                                  劆
劆# boot 僷乕僥傿僔儑儞偺曐岇                                                   劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /boot                               -j READONLY          劆
劆                                                                              劆
劆# Protect root's home dir, but allow bash history                             劆
劆# root 偺儂乕儉僨傿儗僋僩儕傪曐岇偡傞偑丄bash 偺棜楌偼嫋壜                    劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /root                               -j READONLY          劆
劆/sbin/lidsconf -A -s /bin/bash -o /root/.bash_history    -j WRITE             劆
劆                                                                              劆
劆# Protect system logs                                                         劆
劆# 僔僗僥儉儘僌偺曐岇                                                          劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /var/log                            -j APPEND            劆
劆/sbin/lidsconf -A -s /bin/login -o /var/log/wtmp         -j WRITE             劆
劆/sbin/lidsconf -A -s /bin/login -o /var/log/lastlog      -j WRITE             劆
劆/sbin/lidsconf -A -s /sbin/init -o /var/log/wtmp         -j WRITE             劆
劆/sbin/lidsconf -A -s /sbin/init -o /var/log/lastlog      -j WRITE             劆
劆/sbin/lidsconf -A -s /sbin/halt -o /var/log/wtmp         -j WRITE             劆
劆/sbin/lidsconf -A -s /sbin/halt -o /var/log/lastlog      -j WRITE             劆
劆/sbin/lidsconf -A -s /etc/rc.d/rc.sysinit \                                   劆
劆                  -o /var/log/wtmp -i 1                  -j WRITE             劆
劆/sbin/lidsconf -A -s /etc/rc.d/rc.sysinit \                                   劆
劆                  -o /var/log/lastlog -i 1               -j WRITE             劆
劆                                                                              劆
劆# Startup                                                                     劆
劆#                                                                             劆
劆/sbin/lidsconf -A -s /sbin/hwclock -o /etc/adjtime       -j WRITE             劆
劆                                                                              劆
劆                                                                              劆
劆# Shutdown                                                                    劆
劆#                                                                             劆
劆/sbin/lidsconf -A -s /sbin/init -o CAP_INIT_KILL         -j GRANT             劆
劆/sbin/lidsconf -A -s /sbin/init -o CAP_KILL              -j GRANT             劆
劆                                                                              劆
劆# Give the following init script the proper privileges to kill processes and  劆
劆# unmount the file systems.  However, anyone who can execute these scripts    劆
劆# by themselves can effectively kill your processes.  It's better than        劆
劆# the alternative, however.                                                   劆
劆# 偙傟傜偺婲摦僗僋儕僾僩偵丄僾儘僙僗傪 kill 偟偨傝 僼傽僀儖僔僗僥儉傪         劆
劆# 傾儞儅僂儞僩偡傞偨傔偺揔愗側尃尷傪梌偊偰偔偩偝偄丅偲偼偄偊丄偙傟傜偺        劆
劆# 僗僋儕僾僩傪帺暘偱幚峴傞恖偼傒側丄岠壥揑偵僾儘僙僗傪 kill 偡傞偙偲偑        劆
劆# 偱偒傑偡丅偱偡偑丄懠偺曽朄傛傝偼儅僔側偼偢偱偡丅                            劆
劆#                                                                             劆
劆# Any ideas on how to get around this are welcome!                            劆
劆# 偙傟傪夝寛偡傞傾僀僨傾傪娊寎偟傑偡!                                         劆
劆#                                                                             劆
劆/sbin/lidsconf -A -s /etc/rc.d/init.d/halt \                                  劆
劆                  -o CAP_INIT_KILL -i 1                  -j GRANT             劆
劆/sbin/lidsconf -A -s /etc/rc.d/init.d/halt \                                  劆
劆                  -o CAP_KILL -i 1                       -j GRANT             劆
劆/sbin/lidsconf -A -s /etc/rc.d/init.d/halt \                                  劆
劆                  -o CAP_NET_ADMIN -i 1                  -j GRANT             劆
劆/sbin/lidsconf -A -s /etc/rc.d/init.d/halt \                                  劆
劆                  -o CAP_SYS_ADMIN -i 1                  -j GRANT             劆
劆                                                                              劆
劆# Other                                                                       劆
劆#                                                                             劆
劆/sbin/lidsconf -A -s /sbin/update -o CAP_SYS_ADMIN       -j GRANT             劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.2. Apache

偙偺愝掕僒儞僾儖偱偼丄Apache 偑 /usr/local/apache 偵丄儘僌僨傿儗僋僩儕
偑 /var/log/httpd 偵丄愝掕僨傿儗僋僩儕偑 /etc/httpd 偵僀儞僗僩乕儖偝傟
偰偄傞偙偲傪慜採偵偟偰偄傑偡丅ACL 拞偺僷僗傪丄奺帺偺愝掕偵崌偆傛偆偵挷
惍偟側偔偰偼側傝傑偣傫丅偙偺愝掕偱偼丄億乕僩 80 (偙偲偵傛傞偲 443 傕)
傪僶僀儞僪偱偒傞傛偆偵丄Apache 偼僇乕僱儖傪晻報偡傞傛傝慜偐丄
LIDS_GLOBAL 偑柍岠側帪偵婲摦偡傞昁梫偑偁傝傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/local/apache/bin/httpd \                    劆
劆                  -o CAP_SETUID                          -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/local/apache/bin/httpd \                    劆
劆                  -o CAP_SETGID                          -j GRANT     劆
劆                                                                      劆
劆# Config files                                                        劆
劆/sbin/lidsconf -A -o /etc/httpd                          -j DENY      劆
劆/sbin/lidsconf -A -s /usr/local/apache/bin/httpd \                    劆
劆                  -o /etc/httpd                          -j READONLY  劆
劆                                                                      劆
劆# Server Root                                                         劆
劆/sbin/lidsconf -A -o /usr/local/apache                   -j DENY      劆
劆/sbin/lidsconf -A -s /usr/local/apache/bin/httpd \                    劆
劆                  -o /usr/local/apache                   -j READONLY  劆
劆                                                                      劆
劆# Log Files                                                           劆
劆/sbin/lidsconf -A -o /var/log/httpd                      -j DENY      劆
劆/sbin/lidsconf -A -s /usr/local/apache/bin/httpd \                    劆
劆                  -o /var/log/httpd                      -j APPEND    劆
劆/sbin/lidsconf -A -s /usr/local/apache/bin/httpd \                    劆
劆                  -o /usr/local/apache/logs              -j WRITE     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.3. Qmail

偙傟傜偺 ACL 偼丄Dave Sill 偺 Life with qmail <http://Web.InfoAve.Net/
~dsill/lwq.html> 偵傛偭偰僀儞僗僩乕儖偝傟偨 qmail 偺僙僢僩傾僢僾岦偗偵
彂偐傟偰偄傑偡丅偙偺愝掕偱偼丄tcpserver 偑億乕僩 25 傪僶僀儞僪偱偒傞傛
偆偵丄qmail 偼僇乕僱儖傪晻報偡傞傛傝慜偐丄LIDS_GLOBAL 偑柍岠側帪偵婲摦
偡傞昁梫偑偁傝傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆# setup                                                                       劆
劆/sbin/lidsconf -A -o /var/qmail                          -j READONLY          劆
劆/sbin/lidsconf -A -s /usr/local/bin/multilog \                                劆
劆                  -o /var/log/qmail                      -j WRITE             劆
劆/sbin/lidsconf -A -s /usr/local/bin/svc \                                     劆
劆                  -o /var/qmail/supervise                -j WRITE             劆
劆                                                                              劆
劆# queue access                                                                劆
劆# 僉儏乕傊偺傾僋僙僗                                                          劆
劆#                                                                             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-inject \                            劆
劆                  -o /var/qmail/queue                    -j WRITE             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-rspawn \                            劆
劆                  -o /var/qmail/queue                    -j WRITE             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-lspawn \                            劆
劆                  -o /var/qmail/queue                    -j WRITE             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-queue \                             劆
劆                  -o /var/qmail/queue                    -j WRITE             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-clean \                             劆
劆                  -o /var/qmail/queue                    -j WRITE             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-send \                              劆
劆                  -o /var/qmail/queue                    -j WRITE             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-remote \                            劆
劆                  -o /var/qmail/queue                    -j WRITE             劆
劆                                                                              劆
劆# Access to local mail boxes                                                  劆
劆# 儘乕僇儖儊乕儖儃僢僋僗傊偺傾僋僙僗                                          劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-lspawn \                            劆
劆                  -o CAP_SETUID                          -j GRANT             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-lspawn \                            劆
劆                  -o CAP_SETGID                          -j GRANT             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-lspawn \                            劆
劆                  -o CAP_DAC_OVERRIDE                    -j GRANT             劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-lspawn \                            劆
劆                  -o CAP_DAC_READ_SEARCH                 -j GRANT             劆
劆                                                                              劆
劆                                                                              劆
劆# Remote delivery                                                             劆
劆# 儕儌乕僩攝憲                                                                劆
劆/sbin/lidsconf -A -s /var/qmail/bin/qmail-rspawn \                            劆
劆                  -o CAP_NET_BIND_SERVICE -i -1          -j GRANT             劆
劆                                                                              劆
劆# supervise                                                                   劆
劆                                                                              劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                               劆
劆                  -o /var/qmail/supervise/qmail-smtpd/supervise     -j WRITE  劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                               劆
劆                  -o /var/qmail/supervise/qmail-smtpd/log/supervise -j WRITE  劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                               劆
劆                  -o /var/qmail/supervise/qmail-send/supervise      -j WRITE  劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                               劆
劆                  -o /var/qmail/supervise/qmail-send/log/supervise  -j WRITE  劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.4. Dnscache & Tinydns (djbdns)

偙傟傜偺 ACL 偼丄Jeremy Rauch 偺 Installing djbdns (DNScache) for Name
Service 偺僷乕僩 1 <http://www.securityfocus.com/focus/sun/articles/
dnscache.html> & 2 <http://www.securityfocus.com/focus/sun/articles/
dnscache2.html> 傪傕偲偵偟偨 djbdns 偺僙僢僩傾僢僾岦偗偵彂偐傟偰偄傑偡
丅偙偺愝掕偱偼丄 dnscache 偲 tinydns 偼僇乕僱儖傪晻報偡傞慜偵奐巒偝傟偰
偄傞偐丄偦傟傜偺僾儘僌儔儉偑億乕僩 53 傪僶僀儞僪偡傞帪偵 LIDS_GLOBAL 偑
柍岠偵側偭偰偄側偗傟偽側傝傑偣傫丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆# dnscache                                                            劆
劆#                                                                     劆
劆/sbin/lidsconf -A -o /var/dnscache                        -j READONLY 劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                       劆
劆                  -o /var/dnscache/dnscache/supervise     -j WRITE    劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                       劆
劆                  -o /var/dnscache/dnscache/log/supervise -j WRITE    劆
劆/sbin/lidsconf -A -s /usr/local/bin/multilog \                        劆
劆                  -o /var/dnscache/dnscache/log/main      -j WRITE    劆
劆                                                                      劆
劆# tinydns                                                             劆
劆#                                                                     劆
劆/bin/echo "tinydns"                                                   劆
劆                                                                      劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                       劆
劆                  -o /var/dnscache/tinydns/supervise      -j WRITE    劆
劆/sbin/lidsconf -A -s /usr/local/bin/supervise \                       劆
劆                  -o /var/dnscache/tinydns/log/supervise  -j WRITE    劆
劆/sbin/lidsconf -A -s /usr/local/bin/multilog \                        劆
劆                  -o /var/dnscache/tinydns/log/main       -j WRITE    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.5. Courier-imap

偙傟傜偺 ACL 偼丄courier-imap 偑 /usr/local/courier-imap 偵僀儞僗僩乕儖
偝傟偰偄傞偙偲傪慜採偵偟偰偄傑偡丅偙偺愝掕偱偼丄億乕僩 143 傪僶僀儞僪偱
偒傞傛偆偵丄courier-imap 偼僇乕僱儖傪晻報偡傞慜偐丄LIDS_GLOBAL 偑柍岠側
帪偵婲摦偡傞昁梫偑偁傝傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /usr/local/courier-imap                     -j DENY      劆
劆                                                                              劆
劆/sbin/lidsconf -A -s /usr/local/courier-imap/sbin/imaplogin \                 劆
劆                  -o /etc/shadow                                 -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/local/courier-imap/libexec/authlib/authpam \        劆
劆                  -o /etc/shadow                                 -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/local/courier-imap/libexec/couriertcpd \            劆
劆                  -o /usr/local/courier-imap                     -j READONLY  劆
劆                                                                              劆
劆/sbin/lidsconf -A -s /usr/local/courier-imap/libexec/couriertcpd \            劆
劆                  -o CAP_SETUID -i 3                             -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/local/courier-imap/libexec/couriertcpd \            劆
劆                  -o CAP_SETGID -i 3                             -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/local/courier-imap/libexec/couriertcpd \            劆
劆                  -o CAP_DAC_OVERRIDE -i 3                       -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/local/courier-imap/libexec/couriertcpd \            劆
劆                  -o CAP_DAC_READ_SEARCH -i 3                    -j GRANT     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.6. MySQL

偙傟傜偺 ACL 偼丄MySQL 偑 /usr/local/mysql 偵僀儞僗僩乕儖偝傟偰偄傞偙偲
傪慜採偵偟偰偄傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /usr/local/mysql/var                -j APPEND    劆
劆                                                                      劆
劆/sbin/lidsconf -A -o /usr/local/mysql                    -j DENY      劆
劆/sbin/lidsconf -A -s /usr/local/mysql/libexec/mysqld \                劆
劆                  -o /usr/local/mysql                    -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/local/mysql/libexec/mysqld \                劆
劆                  -o /usr/local/mysql/var                -j WRITE     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.7. OpenSSH (3.4p1)

偙傟傜偺愝掕偼丄sshd 偵 CAP_NET_BIND_SERVICE 尃尷傪梌偊偰偄傑偡偺偱丄婲
摦屻丄LIDS_GLOBAL 偑桳岠側帪偵婡擻偟傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/sbin/sshd -o /etc/shadow      -j READONLY 劆
劆                                                                    劆
劆/sbin/lidsconf -A -o /etc/ssh/sshd_config               -j DENY     劆
劆/sbin/lidsconf -A -o /etc/ssh/ssh_host_key              -j DENY     劆
劆/sbin/lidsconf -A -o /etc/ssh/ssh_host_dsa_key          -j DENY     劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o /etc/ssh/sshd_config               -j READONLY 劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o /etc/ssh/ssh_host_key              -j READONLY 劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o /etc/ssh/ssh_host_dsa_key          -j READONLY 劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o /var/log/wtmp                      -j WRITE    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o /var/log/lastlog                   -j WRITE    劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_SETUID                         -j GRANT    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_SETGID                         -j GRANT    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_FOWNER                         -j GRANT    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_CHOWN                          -j GRANT    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_DAC_OVERRIDE                   -j GRANT    劆
劆/sbin/lidsconf -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_NET_BIND_SERVICE 22-22         -j GRANT    劆
劆/sbin/lidscond -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_SYS_CHROOT                     -j GRANT    劆
劆/sbin/lidscond -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_SYS_RESOURCE                   -j GRANT    劆
劆/sbin/lidscond -A -s /usr/sbin/sshd \                               劆
劆                  -o CAP_SYS_TTY_CONFIG                 -j GRANT    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.8. OpenLDAP (slapd)

偙傟傜偺愝掕偼丄slapd 偵 CAP_NET_BIND_SERVICE 尃尷傪梌偊偰偄傑偡偺偱丄
婲摦屻丄LIDS_GLOBAL 偑桳岠側帪偵婡擻偟傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/local/libexec/slapd \                         劆
劆                  -o /usr/local/ldapdb                  -j WRITE        劆
劆/sbin/lidsconf -A -s /usr/local/libexec/slapd \                         劆
劆                  -o CAP_NET_BIND_SERVICE                -j GRANT       劆
劆/sbin/lidsconf -A -s /usr/local/libexec/slapd \                         劆
劆                  -o CAP_INIT_KILL                       -j GRANT       劆
劆/sbin/lidsconf -A -s /usr/local/libexec/slapd \                         劆
劆                  -o CAP_SYS_MODULE                      -j GRANT       劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.9. Port Sentry

偙傟傜偺愝掕偼丄portsentry 偵 CAP_NET_BIND_SERVICE 尃尷傪梌偊偰偄傑偡偺
偱丄婲摦屻丄LIDS_GLOBAL 偑桳岠側帪偵婡擻偟傑偡丅portsentry 偵傗傜偣傛偆
偲巚偭偰偄傞撪梕偵傛偭偰丄偙傟傜偺 ACL 慡偰偼昁梫偩偭偨傝晄梫偩偭偨傝偡
傞偐傕偟傟傑偣傫丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/local/psionic/portsentry/portsentry \                                                                         劆
劆                  -o /usr/local/psionic/portsentry                                      -j WRITE                                        劆
劆/sbin/lidsconf -A -s /usr/local/psionic/portsentry/portsentry \                                                                         劆
劆                  -o /var/log                                                                                           -j WRITE        劆
劆/sbin/lidsconf -A -s /usr/local/psionic/portsentry/portsentry \                                                                         劆
劆                  -o CAP_NET_BIND_SERVICE                        -j GRANT                                                               劆
劆                                                                                                                                        劆
劆# For portsentry to be able to update the firewall:                                                                                     劆
劆# portsentry 偑僼傽僀傾僂僅乕儖傪峏怴偡傞偨傔丗                                                                                         劆
劆/sbin/lidsconf -A -s /usr/local/psionic/portsentry/portsentry \                                                                         劆
劆                  -o CAP_NET_RAW -i 1                            -j GRANT                                                               劆
劆                                                                                                                                        劆
劆# For portsentry to be able to update /etc/hosts.allow and/or /etc/hosts.deny:                                                          劆
劆# portsentry 偑 /etc/hosts.allow 傗/etc/hosts.deny 傪峏怴偡傞偨傔丗                                                                     劆
劆/sbin/lidsconf -A -s /usr/local/psionic/portsentry/portsentry \                                                                         劆
劆                  -o /etc/hosts.allow                           -j WRITE                                                                劆
劆/sbin/lidsconf -A -s /usr/local/psionic/portsentry/portsentry \                                                                         劆
劆                  -o /etc/hosts.deny                            -j WRITE                                                                劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.10. Samba

偙偺愝掕偱偼丄億乕僩 137 & 139 傪僶僀儞僪偱偒傞傛偆偵丄Samba 偼僇乕僱儖
傪晻報偡傞傛傝慜偐丄LIDS_GLOBAL 偑柍岠偵側偭偰偄傞帪偵婲摦偡傞昁梫偑偁
傝傑偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /etc/samba -j READONLY                         劆
劆/sbin/lidsconf -A -o /var/samba -j READONLY                         劆
劆/sbin/lidsconf -A -s /usr/sbin/smbd -o /var/samba -j WRITE          劆
劆/sbin/lidsconf -A -s /usr/sbin/nmbd -o /var/samba -j WRITE          劆
劆                                                                    劆
劆# smbd needs write access to smbpasswd to chmod it.  i think it     劆
劆# also needs access to MACHINE.SID                                  劆
劆# smbd 偼 chmod 偡傞偨傔偵 smbpasswd 傊偺彂偒偙傒尃尷偑昁梫偱偡丅   劆
劆# MACHINE.SID 偵傕摨條偵昁梫偩偲巚偄傑偡丅                          劆
劆/sbin/lidsconf -A -s /usr/sbin/smbd -o /etc/samba -j WRITE          劆
劆/sbin/lidsconf -A -s /usr/sbin/smbd -o /etc/shadow -j READONLY      劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/sbin/smbd -o CAP_SETUID -j GRANT          劆
劆/sbin/lidsconf -A -s /usr/sbin/smbd -o CAP_SETGID -j GRANT          劆
劆/sbin/lidsconf -A -s /usr/sbin/smbd -o CAP_HIDDEN -j GRANT          劆
劆                                                                    劆
劆# LIDS complains about smbd trying to chroot to /                   劆
劆# everything still seems to work without it, though                 劆
劆# (and isn't chrooting to / kinda pointless anyway?)                劆
劆# LIDS 偼 smbd 偑 /  偵 chroot 偟傛偆偲偡傞巪暥嬪傪尵偄傑偡丅       劆
劆# 偨偩丄偦傟側偟偱傕慡偰偆傑偔婡擻偟偰偄傞傛偆偵偼尒偊傑偡丅        劆
劆# (偟偐傕 / 偵 chroot 偟偰偼偄側偄偺偵丄偪傚偭偲柍懯偠傖側偄丠)     劆
劆#/sbin/lidsconf -A -s /usr/sbin/smbd -o CAP_SYS_CHROOT -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/sbin/nmbd -o CAP_HIDDEN -j GRANT          劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.11. Linux HA heartbeat

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /usr/lib/heartbeat/heartbeat                -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/heartbeat \                           劆
劆                  -o CAP_NET_BIND_SERVICE -i -1                  -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/heartbeat \                           劆
劆                  -o CAP_SYS_RAWIO -i -1                         -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/heartbeat \                           劆
劆                  -o CAP_NET_BROADCAST -i -1                     -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/heartbeat \                           劆
劆                  -o CAP_NET_ADMIN -i -1                         -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/heartbeat \                           劆
劆                  -o CAP_NET_RAW -i -1                           -j GRANT     劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/heartbeat \                           劆
劆                  -o CAP_SYS_ADMIN -i -1                         -j GRANT     劆
劆                                                                              劆
劆# For sending Gratuitous Arps                                                 劆
劆# 梋寁側 Arp 傪憲傞偨傔                                                       劆
劆                                                                              劆
劆/sbin/lidsconf -A -o /usr/lib/heartbeat/send_arp                 -j READONLY  劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/send_arp \                            劆
劆                  -o CAP_NET_RAW -i -1                           -j GRANT     劆
劆                                                                              劆
劆# For modifying the routing table when the IP address changes                 劆
劆# IP 傾僪儗僗曄峏帪偵儖乕僥傿儞僌僥乕僽儖傪廋惓偡傞偨傔                       劆
劆                                                                              劆
劆/sbin/lidsconf -A -o /sbin/route                                 -j READONLY  劆
劆/sbin/lidsconf -A -s /sbin/route -o CAP_NET_ADMIN -i 0           -j GRANT     劆
劆                                                                              劆
劆#                                                                             劆
劆# Protect the heartbeat configuration and authentication key.                 劆
劆# heartbeat 偺愝掕偲擣徹僉乕傪曐岇偟傑偡                                      劆
劆#                                                                             劆
劆/sbin/lidsconf -A -o /etc/ha.d/ha.cf                             -j READONLY  劆
劆/sbin/lidsconf -A -o /etc/ha.d/haresources                       -j READONLY  劆
劆/sbin/lidsconf -A -o /etc/ha.d/authkeys                          -j DENY      劆
劆                                                                              劆
劆#                                                                             劆
劆# Only heartbeat can see the authkey                                          劆
劆# hertbeat 偺傒偑 authkey 傪撉傔傑偡                                          劆
劆#                                                                             劆
劆/sbin/lidsconf -A -s /usr/lib/heartbeat/heartbeat \                           劆
劆                  -o /etc/ha.d/authkeys                          -j READONLY  劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.12. Bind 9.x

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/sbin/named  -o CAP_NET_BIND_SERVICE 53 -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/named  -o CAP_SETPCAP             -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/named  -o CAP_SYS_CHROOT          -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/named  -o CAP_SYS_RESOURCE        -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/named  -o CAP_SETUID              -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/named  -o CAP_SETGID              -j GRANT 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.13. Sendmail

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆# Sendmail LIDS rules (using infinite inheritance for the sendmail                    劆
劆# children and delivery agents to work properly, but a lower inheritance              劆
劆# like 2 or 3 would probably work as well.)                                           劆
劆# Sendmail 梡 LIDS 儖乕儖                                                             劆
劆# (sendmail 偺巕懛傗攝憲僄乕僕僃儞僩偑揔愗偵摦嶌偡傞傛偆偵                            劆
劆# 柍尷偺宲彸傪巊偭偰偄傑偡偑丄2, 3 偺傛傝掅偄宲彸偱傕偍偦傜偔                         劆
劆# 摨偠傛偆偵摦嶌偡傞偱偟傚偆丅)                                                       劆
劆                                                                                      劆
劆# Lock down /etc/mail if it's not already done elseware                               劆
劆# 偳偙偐懠偱婛偵側偝傟偰偄側偄側傜丄/etc/mail 傪撉傔傞傛偆偵偟傑偡                    劆
劆/sbin/lidsconf -A -o /etc/mail -j READONLY                                            劆
劆                                                                                      劆
劆/sbin/lidsconf -A -o /usr/sbin/sendmail -j READONLY                                   劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o /etc/shadow -j READONLY -i -1              劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o /etc/passwd -j READONLY -i -1              劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o /etc/mail   -j READONLY -i -1              劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o /etc/mail/aliases   -j WRITE -i -1         劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o /etc/mail/aliases.db   -j WRITE -i -1      劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o CAP_SETUID -j GRANT -i -1                  劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o CAP_SETGID -j GRANT -i -1                  劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o CAP_SYS_ADMIN -j GRANT -i -1               劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o CAP_NET_BIND_SERVICE 25-25 -j GRANT -i -1  劆
劆                                                                                      劆
劆# Depending on how you have the log files secured                                     劆
劆# (The maillog will normally get rotated out and this                                 劆
劆# rule will stop working when that happens unless you                                 劆
劆# stop the log rotation.)                                                             劆
劆# 儘僌僼傽僀儖傪偳偺傛偆偵埨慡偵偟偰偄傞偐偵傛偭偰                                    劆
劆# (mail 儘僌偼捠忢儘乕僥乕僩偝傟偰偄傞偱偟傚偆丅偙偺儖乕儖偼                          劆
劆# 儘僌偺儘乕僥乕僔儑儞傪傗傔側偄尷傝丄偦傟偑婲偒偨帪揰偱婡擻                          劆
劆# 偟側偔側傝傑偡丅                                                                    劆
劆                                                                                      劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail -o /var/log/maillog -j APPEND -i -1           劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.14. Apcupsd

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /etc/apcupsd                                        -j DENY      劆
劆/sbin/lidsconf -A -s /sbin/apcupsd -o /etc/apcupsd                       -j READONLY  劆
劆/sbin/lidsconf -A -s /sbin/apcupsd -o CAP_HIDDEN -i -1                   -j GRANT     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.15. Pump

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /sbin/pump -o CAP_NET_BIND_SERVICE 68-68            -j GRANT 劆
劆/sbin/lidsconf -A -s /sbin/pump -o CAP_NET_RAW                           -j GRANT 劆
劆/sbin/lidsconf -A -s /sbin/pump -o CAP_HIDDEN                            -j GRANT 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.16. Snort

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/sbin/snort -o CAP_DAC_OVERRIDE                 -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/snort -o CAP_NET_RAW                      -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/snort -o CAP_HIDDEN                       -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/snort -o CAP_SETUID                       -j GRANT 劆
劆/sbin/lidsconf -A -s /usr/sbin/snort -o CAP_SETGID                       -j GRANT 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.17. Getty

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /sbin/getty -o CAP_DAC_OVERRIDE                     -j GRANT 劆
劆/sbin/lidsconf -A -s /sbin/getty -o CAP_HIDDEN                           -j GRANT 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.18. Login

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /bin/login -o /etc/shadow                           -j READONLY  劆
劆/sbin/lidsconf -A -s /bin/login -o CAP_SETUID                            -j GRANT     劆
劆/sbin/lidsconf -A -s /bin/login -o CAP_SETGID                            -j GRANT     劆
劆/sbin/lidsconf -A -s /bin/login -o CAP_CHOWN                             -j GRANT     劆
劆/sbin/lidsconf -A -s /bin/login -o CAP_FSETID                            -j GRANT     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.19. Su

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /bin/su -o /etc/shadow                              -j READONLY  劆
劆/sbin/lidsconf -A -s /bin/su -o CAP_SETUID                               -j GRANT     劆
劆/sbin/lidsconf -A -s /bin/su -o CAP_SETGID                               -j GRANT     劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.20. Exim

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/sbin/exim -o CAP_SETGID -j GRANT          劆
劆/sbin/lidsconf -A -s /usr/sbin/exim -o CAP_SETUID -j GRANT          劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.21. Qpopper

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/sbin/in.qpopper -o /etc/shadow -j READONLY劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.22. Proftp

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /usr/sbin/proftpd  -o CAP_SETGID -j GRANT      劆
劆/sbin/lidsconf -A -s /usr/sbin/proftpd  -o CAP_SETUID -j GRANT      劆
劆/sbin/lidsconf -A -s /usr/sbin/proftpd  -o CAP_SYS_CHROOT -j GRANT  劆
劆/sbin/lidsconf -A -s /usr/sbin/proftpd  -o /etc/shadow -j READONLY  劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.23. Aproxy

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -s /path/to/aproxy -i 2 -o CAP_NET_BIND_SERVICE 25,110,119 -j GRANT 劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.24. Squid

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /var/spool/squid -j DENY                                           劆
劆/sbin/lidsconf -A -s /usr/sbin/squid   -i 2 -o /var/spool/squid               -j WRITE  劆
劆/sbin/lidsconf -A -s /usr/sbin/squid   -i 2 -o /var/log/squid                 -j WRITE  劆
劆/sbin/lidsconf -A -s /etc/init.d/squid -i 2 -o /var/spool/squid               -j WRITE  劆
劆/sbin/lidsconf -A -s /usr/sbin/squid        -o CAP_NET_BIND_SERVICE 3128,3130 -j GRANT  劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.25. Innd

劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf  -A -o /usr/local/news -j DENY                                         劆
劆                                                                                      劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/ctlinnd    -o /usr/local/news      -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/innd       -o /usr/local/news      -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/nnrpd      -o /usr/local/news      -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/nnrpd \                                     劆
劆                                          -o /usr/local/news/spool/overview  -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/rc.news    -o /usr/local/news      -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/shlock     -o /usr/local/news/run/ -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/innwatch   -o /usr/local/news/run/ -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/innconfval -o /usr/local/news/     -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/innmail    -o /usr/local/news/     -j WRITE 劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/inndstart  -o /usr/local/news/     -j WRITE 劆
劆                                                                                      劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/inndstart \                                 劆
劆                                       -o CAP_NET_BIND_SERVICE 119 -j GRANT           劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/inndstart  -o CAP_SETGID -j GRANT           劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/inndstart  -o CAP_SETUID -j GRANT           劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/nnrpd      -o CAP_SETUID -j GRANT           劆
劆/sbin/lidsconf  -A -s /usr/local/news/bin/nnrpd      -o CAP_SETGID -j GRANT           劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

7.26. Postfix

壓婰丄Debian GNU/Linux Woody (3.0) 僔僗僥儉忋偱慡偰偺尃尷偑晄壜偵側偭偰
偄傞帪偺丄postfix偺愝掕椺偱偡丅CAP_HIDDEN 僷乕僩偼丄傕偪傠傫擟堄偱偡丅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆/sbin/lidsconf -A -o /etc/postfix               -j DENY             劆
劆/sbin/lidsconf -A -o /var/spool/postfix         -j DENY             劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /etc/init.d/postfix \                          劆
劆                  -o /etc/postfix               -j READONLY -i 1    劆
劆/sbin/lidsconf -A -s /etc/init.d/postfix \                          劆
劆                  -o /var/spool/postfix         -j WRITE    -i 1    劆
劆/sbin/lidsconf -A -s /usr/sbin/postfix   \                          劆
劆                  -o /etc/postfix               -j READONLY -i 4    劆
劆/sbin/lidsconf -A -s /usr/sbin/postfix   \                          劆
劆                  -o /var/spool/postfix         -j WRITE    -i 4    劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o CAP_SETGID                 -j GRANT    -i 1    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o CAP_SETUID                 -j GRANT    -i 1    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o CAP_HIDDEN                 -j GRANT    -i 1    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o CAP_DAC_OVERRIDE           -j GRANT    -i 1    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o CAP_SYS_CHROOT             -j GRANT    -i 1    劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o /etc/aliases.db            -j READONLY -i 1    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o /var/spool/postfix         -j WRITE    -i 1    劆
劆/sbin/lidsconf -A -s /usr/lib/postfix/master \                      劆
劆                  -o /etc/postfix               -j READONLY -i 1    劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/sbin/postdrop \                           劆
劆                  -o /etc/postfix               -j READONLY         劆
劆/sbin/lidsconf -A -s /usr/sbin/postdrop \                           劆
劆                  -o /var/spool/postfix         -j WRITE            劆
劆                                                                    劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail \                           劆
劆                  -o /etc/postfix               -j READONLY         劆
劆/sbin/lidsconf -A -s /usr/sbin/sendmail \                           劆
劆                  -o /var/spool/postfix         -j WRITE            劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

Chapter 8. LIDS 僥僋僯僇儖

8.1. LIDS 偼 ext2 埲奜偺僼傽僀儖僔僗僥儉偱傕摦嶌偟傑偡偐丠

偼偄丅LIDS 偺嫟挊幰偱偁傞 Philippe Biondi 偺尵梩傪庁傝傑偡亅 ""LIDS 偼
VFS 儗僀儎偺嵟忋晹偱摦嶌偟傑偡偺偱丄Linux 偑僒億乕僩偡傞偁傜備傞 fs 傪
埖偆偙偲偑偱偒傑偡丅" "

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

8.2. LIDS 偼 SMP 偺僔僗僥儉偱摦嶌偟傑偡偐丠

SMP 僔僗僥儉偱 LIDS 傪幚峴偡傞偙偲偵偮偄偰偼丄忈奞曬崘偑側偝傟偰偄傑偡
丅栤戣偺懡偔偼廋惓偝傟偰偄傑偡偺偱丄嵟怴僶乕僕儑儞傪帋偟偰傒傞偺傪偍姪
傔偟傑偡丅Xie 偲 Philippe 偼偙偺庤偺栤戣傪廋惓偡傞偺偵丄旕忢偵拲椡偟偰
偄傑偡偺偱丄LIDS 偺儊乕儕儞僌儕僗僩偵曬崘偡傞傛偆偵偟偰偔偩偝偄丅

峏怴 (2/10/01)丗懡偔偺儐乕僓偐傜丄LIDS-1.0.5 傪巊偭偰 SMP 僔僗僥儉偺
2.4.x 僇乕僱儖偱偆傑偔偄偭偨偲偄偆儗億乕僩偑側偝傟偰偄傑偡丅 

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

8.3. LIDS 偼 Solar Designer 偺 Openwall 僷僢僠偲嫟懚偟傑偡偐丠

戝忎晇偱偡丅LIDS 偲 Openwall 僷僢僠傪椉曽揔梡偡傟偽丄1 hunk 偑幐攕偟傑
偡 (僇乕僱儖 2.2.18 梡儕儕乕僗 0.9.11 偺帪揰)丅偙偺僄儔乕偼偝偝偄側傕偺
偱丄僔僗僥儉偺僙僉儏儕僥傿偵偼塭嬁偟側偄偲巚偄傑偡丅偲偼偄偊丄僄儔乕偑
婥偵擖傜側偄側傜丄http://root-it.be/community/lids 傊偄偭偰丄LIDS +
Openwall 摑崌僷僢僠傪僟僂儞儘乕僪偟偰偔偩偝偄丅Wim Vandersmissen 偑慺惏
傜偟偄偙偲偵丄巹払偺偨傔偵僷僢僠傪摑崌偟偰僄儔乕傪廋惓偟偰偔傟偰偄傑偡
丅Wim 偼斵偺僒僀僩偱丄懠偵傕 LIDS 傪娷傫偩摑崌僷僢僠傪偄偔偮偐採嫙偟偰
偄傑偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

8.4. LIDS 偼旕僀儞僥儖側僴乕僪僂僃傾忋偱摦嶌偟傑偡偐丠

巹偼丄妋擣偱偒傞宍偱丄暿偺僴乕僪僂僃傾僾儔僢僩僼僅乕儉偱惉岟偟偨偲偄偆
榖偼暦偄偰偄傑偣傫丅傕偟 LIDS 傪暿偺傾乕僉僥僋僠儍偱摦嶌偝偣偨側傜丄惀
旕傒傫側偵偦偺搘椡傪抦傜偣傞傛偆偵偟傑偟傚偆丅

峏怴丗 Johannes Helje 偼LIDS 傪 SUN IPX 偺儁傾偵僀儞僗僩乕儖偡傞偙偲偵
惉岟偟傑偟偨丅斵偼丄2.2.18 僇乕僱儖偱 Debian 傪巊偭偰偄傑偡丅 

峏怴丗 Joseph P. Garcia ( jpgarcia@execpc.com <jpgarcia@execpc.com>) 偼
LIDS 傪 PowerPC 儀乕僗偺PowerBook G3 偵僀儞僗僩乕儖偟傛偆偲偟傑偟偨偑丄
偆傑偔偄偒傑偣傫偱偟偨丅偙偙偵丄栤戣偺徻嵶傪斵偺儊乕儖偐傜堷梡偟傑偡亅
劇劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劉
劆巹偼丄30儢寧慜偺 PowerPC 儀乕僗 偺 Macintosh PowerBook G3 (抦傞恖偧抦傞乽媽帪戙乿偺 powermac) 偱 LIDS 傪帋偦偆偲偟偰偄傑偡丅  劆
劆婲摦偵偼 BootX 僽乕僩儘乕僟傪巊偄丄LinuxPPC 2000 Q4 傪儀乕僗偵偟偨 Linux 偱                                                   劆
劆僇乕僱儖 2.4.7pre3 偲 glibc2.2.3丄gcc2.95.4 傪巊偭偰偄傑偡丅                                                                  劆
劆                                                                                                                              劆
劆LIDS 傪帺暘偺僔僗僥儉偱巊偆偲偄偆巹偺栚榑尒偼丄傎偲傫偳曬傢傟偰偄傑偣傫丅                                                     劆
劆僷僢僠傪揔梡偟偰丄愝掕偱 LIDS 傪柍岠偵偟偰偄傟偽僇乕僱儖偼偪傖傫偲摦偒傑偡丅                                                  劆
劆傢偢偐偱傕 LIDS 傪桳岠偵偡傞偲丄CONFIG_LIDS 偲 security=0 偩偗偱偝偊丄                                                        劆
劆巹偺僇乕僱儖偼婲摦偟傑偣傫丅捠忢偺儖乕僠儞偼丄BootX 偑 MacOS 傪僋儕傾偟丄                                                     劆
劆僴乕僪僂僃傾傪僙僢僩傾僢僾 (僴乕僪僨傿僗僋傪僗僺儞僟僂儞偡傞偲偐) 偟丄                                                        劆
劆僇乕僱儖偑夋柺傪僋儕傾偟偰 'BootX text' 偱娙扨側愝掕傪昞帵偟丄偦傟偐傜                                                        劆
劆僼儗乕儉僶僢僼傽僐儞僜乕儖傊偺弌椡偲偲傕偵婲摦偡傞丄偲偄偆傕偺偱偡丅                                                          劆
劆LIDS 傪桳岠偵偡傞偲丄僇乕僱儖偼夋柺偺僋儕傾偝偊峴偄傑偣傫丅                                                                   劆
劆偙傟傪峴偆僐乕僪傪挱傔偰傒傑偟偨偑丄棟夝偺媦傇斖埻偱偼丄儊儌儕偵                                                              劆
劆彂偒崬傒偟偰偄傞偩偗偱偡丅偙傟偑偳傟傎偳妀怱偵嬤偄偐偼傢偐傝傑偣傫丅                                                          劆
劆                                                                                                                              劆
劆                                                                                                                              劆
劆巹偺抦傞尷傝丄LIDS 偼偢偭偲屻偵側傞傑偱傾僋僥傿僽偵偼側傜側偄偼偢偱偡丅                                                       劆
劆偱偡偐傜丄偙傟偼 LIDS 偑峴偆丄巹偵偼棟夝偱偒側偄婎杮揑側僐乕僪曄峏偐丄                                                        劆
劆僇乕僱儖偑巹偺僔僗僥儉忋偱婲摦偡傞偺傪朩偘傞婡擻偐偵傛偭偰婲偒偰偄傞                                                          劆
劆偺偱偟傚偆丅                                                                                                                  劆
劆                                                                                                                              劆
劆                                                                                                                              劆
劆尰帪揰偵偍偄偰丄PowerPC 忋偱 LIDS 傪摦偐偦偆偲偟偰偄傞偲偄偆榖傪巹偼                                                          劆
劆抦傝傑偣傫丅扤偐偑丄傑偡傑偡峀偑傝偮偮偁傞 PowerPC 傾乕僉僥僋僠儍梡偵                                                         劆
劆LIDS 傪僒億乕僩偣偹偽側傜側偄偐傕抦傟側偄側傜丄偦偺峔憐傗廋惓傪僥僗僩偡傞帪娫偑偁傟偽丄婌傫偱偝偟弌偡偮傕傝偱偡丅             劆
劆                                                                                                                              劆
劆                                                                                                                              劆
劆尰忬偱偼丄偙傟傪彂偄偨屻偱丄BootX 偺 text 僆僾僔儑儞傪柍岠偵偟偰傒偰丄                                                        劆
劆壗偑偍偒傞偐尒偰傒傛偆偲巚偭偰偄傑偡丅揧晅偟偨偺偼丄偙偺廋惓傪峴偆慜偺                                                        劆
劆僇乕僱儖僐儞僼傿僌 (bz2) 偱偡丅                                                                                               劆
劆                                                                                                                              劆
劆                                                                                                                              劆
劆擔崰偺偛岤忣偵姶幱偟傑偡丅                                                                                                    劆
劋劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劅劊

峏怴丗 Joseph P. Garcia 偼丄 PowerPC 忋偱 LIDS 傪摦偐偡帠偵惉岟偟傑偟偨
丅斵偼僇乕僱儖愝掕偺拞偱丄 LIDS 偑娗棟偡傞 object 傪 1024 偐傜 512 偵尭
傜偟偨偦偆偱偡丅

劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒劒 

8.5. LIDS 偺僶乕僕儑儞 0.x, 1.x 偲 2.x 偲偺堘偄偼壗偱偡偐丠

LIDS 0.x 偼 Linux 僇乕僱儖 2.2.x 岦偗丄LIDS 1.x 偼 Linux 僇乕僱儖 2.4.x
岦偗丄LIDS 2.x 偼 Linux 僇乕僱儖 2.5.x 岦偗偱偡丅 

