Securing X Windows

John Fisher

UCRL-MA-121788

          fisher@llnl.gov
        

Revision History                                                       
Revision CIAC-2316 R.0           August, 1995      Revised by: jf      

偙偺暥彂偼 X 僂傿儞僪僂偵偍偗傞懡偔偺僙僉儏儕僥傿忋偺栤戣偲偦偺夝寛朄傪
扵媶偟傑偡丅

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Table of Contents
1. 偼偠傔偵
   
    1.1. 柶愑
    1.2. CIAC 偵偮偄偰
   
2. X 僂傿儞僪僂偼偳偺傛偆偵摦嶌偡傞偺偐
3. 曐岇偝傟偰偄側偄 X 僂傿儞僪僂
4. 僙僉儏儕僥傿嫮壔偺曽朄
   
    4.1. 儂僗僩擣徹
    4.2. 僩乕僋儞擣徹
   
5. 儂僗僩擣徹
   
    5.1. xhost 偺巊偄曽
    5.2. 挿強丗
    5.3. 抁強丗
   
6. 僩乕僋儞擣徹
   
    6.1. xauth
    6.2. X Display Manager
    6.3. Xdm 側偟偱 magic cookie 傪惗惉偡傞
    6.4. X11R5 偵偍偗傞 Xrsh
    6.5. 挿強丗
    6.6. 抁強丗
   
7. Xterm 偺惼庛惈
8. X 僂傿儞僪僂偺僙僉儏儕僥傿偵娭偡傞忣曬
9. APPENDIX A: CONTACTING CIAC
   
    9.1. READER COMMENTS
   
10. 擔杮岅栿偵偮偄偰

1. 偼偠傔偵

X 僂傿儞僪僂偼丄條乆側娐嫬偵偍偄偰丄暆峀偄儐乕僓偺巟帩傪摼偰偄傑偡丅偦
偙偱偺僋儔僀傾儞僩丒僒乕僶儌僨儖偵傛傞傾僾儕働乕僔儑儞娗棟偼丄儐乕僓偲
僐儞僺儏乕僞偲偺娫傪丄僷儚僼儖偐偮廮擃偵庢傝帩偮擻椡傪桳偟偰偄傑偡丅偟
偐偟丄巆擮側偙偲偵丄偙偺擻椡偼僙僉儏儕僥傿偺媇惖偺忋偵惉傝棫偭偰偄傑偡
丅X 僂傿儞僪僂偼丄揔愗偵娗棟偝傟側偄応崌丄僙僉儏儕僥傿忋偺怺崗側惼庛偝
傪惗傓偙偲偑偁傝傑偡丅偙偺暥彂偼 X 僂傿儞僪僂偵偍偗傞偦偆偟偨僙僉儏儕僥
傿忋偺栤戣偲偦偺夝寛曽朄傪扵媮偟傑偡丅

偙偺暥彂偼 WWW 忋偺CIAC2316 <http://ciac.llnl.gov/ciac/documents/
ciac2316.html> 偐傜擖庤偱偒傑偡丅

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1.1. 柶愑

This document was prepared as an account of work sponsored by an agency
of the United States Government. Neither the United States Government
nor the University of California nor any of their employees, makes any
warranty, express or implied, or assumes any legal liability or
responsibility for the accuracy, completeness, or usefulness of any
information, apparatus, product, or process disclosed, or represents
that its use would not infringe privately owned rights. Reference
herein to any specific commercial products, process or service by trade
name, trademark, manufacturer, or otherwise, does not necessarily
constitute or imply its endorsement, recommendation, or favoring by the
United States Government or the University of California. The views and
opinions of authors expressed herein do not necessarily state or
reflect those of the United States Government or the University of
California, and shall not be used for advertising or product
endorsement purposes.

Reference to any specific commercial product does not necessarily
constitute or imply its endorsement, recommendation or favoring by
CIAC, the University of California, the United States Department of
Energy, or the United States Government.

Work performed under the auspices of the U. S. Department of Energy by
Lawrence Livermore National Laboratory under Contract W-7405-Eng-48.

    嶲峫栿丗
   
    偙偺暥彂偼丄崌廜崙惌晎偺堦婡娭偺帒嬥墖彆傪庴偗偨巇帠偵娭偡傞曬崘彂
    偲偟偰弨旛偝傟偨傕偺偱偡丅崌廜崙惌晎丄僇儕僼僅儖僯傾戝妛丄偍傛傃偦
    傟傜偺怑堳偼丄柧帵揑丒栙帵揑側擛壗側傞曐徹傕偡傞傕偺偱偼偁傝傑偣傫
    丅傑偨丄忣曬丒憰抲丒惢昳丒帵偝傟偨僾儘僙僗偵偮偄偰偺丄惓妋偝丒姰慡
    惈丒棙曋惈偵娭偡傞擛壗側傞朄揑愑擟傕晧偄傑偣傫丅偙偺暥彂偺巊梡偼屄
    恖偺尃棙傪怤奞偟側偄偲偄偆偮傕傝傕偁傝傑偣傫丅摿掕偺彜昳偍傛傃丄彜
    崋丒彜昗丒惢憿尦偑晅偝傟偨僾儘僙僗傗僒乕價僗偵偮偄偰尵媦偟偨傝丄傕
    偟偔偼偝傟偨傝偟偨応崌偱傕丄偦傟偼昁偢偟傕丄崌廜崙惌晎傗僇儕僼僅儖
    僯傾戝妛偵傛傞棤彂偒傗悇慐傗堷偒棫偰傪帵偡傕偺偱傕埫帵偡傞傕偺偱傕
    偁傝傑偣傫丅偙偙偱昞柧偝傟偨挊幰偺尒夝傗堄尒偼丄昁偢偟傕崌廜崙惌晎
    傗僇儕僼僅儖僯傾戝妛偑偦傟傪弎傋偨傝丄斀塮偟偨傝偟偰偄傞傕偺偱偼側
    偄偺偱丄偦傟傪愰揱傗彜昳偺悇彠栚揑偵巊梡偡傞偙偲偺側偄傛偆偵偟偰偔
    偩偝偄丅
   
    堷梡偟偨摿掕偺彜昳偡傋偰偼 CIAC丄僇儕僼僅儖僯傾戝妛丄崌廜崙僄僱儖僊
    乕徣丄崌廜崙惌晎偺柧帵揑丒埫帵揑側悇慐偱傕悇彠偱傕岲傒偱傕偁傝傑偣
    傫丅
   
    崌廜崙僄僱儖僊乕徣偺墖彆偺壓丄Lawrence Livermore National
    Laboratory 偺宊栺彂斣崋 W-7405-Eng-48 偵婎偯偒丄嶌嬈偑側偝傟傑偟偨
    丅
   
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1.2. CIAC 偵偮偄偰

UCRL-MA-118453

CIAC 偺儂乕儉儁乕僕
   
    http://ciac.llnl.gov/ciac/CIACHome.html <http://ciac.llnl.gov/ciac/
    CIACHome.html>
   
柶愑
   
    http://www.llnl.gov/disclaimer.html <http://www.llnl.gov/
    disclaimer.html>
   
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2. X 僂傿儞僪僂偼偳偺傛偆偵摦嶌偡傞偺偐

僌儔僼傿僇儖儐乕僓僀儞僞乕僼僃乕僗偑愽嵼揑偵僙僉儏儕僥傿忋偺怺崗側惼庛
偝傪帩偮偲尵偆偲婏柇偵巚傢傟傞偐傕偟傟傑偣傫丅偩偐傜庤巒傔偵丄 X 僂傿儞
僪僂偑偳偺傛偆偵摦嶌偟偰偄傞偐傪娤嶡偟丄偳偺傛偆側栤戣偑偁傞偐傪専徹偟
偰偄偒傑偟傚偆丅

X 僂傿儞僪僂偺嵟壓憌儗儀儖偼丄幚偼丄捠怣僾儘僩僐儖側偺偱偡丅偙傟偼 X 僾
儘僩僐儖偲偄偆暘偐傝堈偄柤慜偱屇偽傟偰偄傑偡丅偙偺僾儘僩僐儖偼丄堦戜偺
僐儞僺儏乕僞偺撪晹偱巊梡偝傟傞偙偲傕偁傟偽丄僱僢僩儚乕僋傪捠偠偰暋悢偺
僐儞僺儏乕僞偱巊梡偝傟傞偙偲傕偁傝傑偡丅偦傟偼丄摿掕偺僆儁儗乕僥傿儞僌
僔僗僥儉偵敍傜傟偨傕偺偱偼側偔丄條乆側僾儔僢僩僼僅乕儉偱棙梡偱偒傑偡丅
傑偨丄X 僂傿儞僪僂偼丄僱僢僩儚乕僋捠怣儌僨儖偲偟偰僋儔僀傾儞僩丒僒乕僶
儌僨儖傪巊偭偰偄傑偡丅偙偺儌僨儖傪巊偆偙偲偱丄儐乕僓偼丄偁傞応強偱僾儘
僌儔儉傪幚峴偟偮偮丄偦傟傪暿偺応強偐傜惂屼偡傞偲偄偆偙偲偑壜擻偵側傝傑
偡丅

堦斒揑側僋儔僀傾儞僩丒僒乕僶偺姷廗偲偼堘偄丄儐乕僓偼丄幚嵺偵偼丄X 僒乕
僶忋偱捈偵嶌嬈傪偟偰偄傑偡丅僗僋儕乕儞丒僉乕儃乕僪丒儅僂僗偺婡擻傪採嫙
偟偰偄傞偺偼丄X 僒乕僶側偺偱偡丅偙偺応崌偵傕偦傟傪僒乕僶偲屇傇偺偼丄X
僒乕僶偑僋儔僀傾儞僩偵懳偡傞僀儞僾僢僩傪惗惉偟丄僋儔僀傾儞僩偐傜偺傾僂
僩僾僢僩傪娗棟偡傞傕偺偩偐傜偱偡丅偙偙偱 X 僋儔僀傾儞僩偲偼丄xterm 傗
emacs, xclock 偲偄偭偨傾僾儕働乕僔儑儞偺偙偲偱偡丅偙傟傜偑 X 僒乕僶偐傜
偺僀儞僾僢僩傪庴偗庢偭偰張棟偟偨忋偱丄傾僂僩僾僢僩傪 X 僒乕僶偵栠偟偰偄
傑偡丅

[栿拲丗暥復偩偗偱偼暘偐傝偵偔偄偺偱丄奊傪彂偒傑偟偨丅

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劆   ___________                                                          劆
劆  /__________/|                                                         劆
劆  |;--------;||             +-----------+ 僀儞僾僢僩 +--------------+   劆
劆  ||僗僋    |||       <-娗- |           | ---------> |              |   劆
劆  ||  儕乕儞|||             |           |            |              |   劆
劆  ||________|||       <-  - | X 僒乕僶  |            |X 僋儔僀傾儞僩|   劆
劆  [___ooo____]/             |           |傾僂僩僾僢僩|              |   劆
劆                _%_   <-棟- |           | <--------- |              |   劆
劆  _____%_____  ////         +-----------+            +--------------+   劆
劆 /::::::::::/ /__/                             xterm, emacs, xclock 摍  劆
劆*----------*  儅僂僗                                                    劆
劆 僉乕儃乕僪                                                             劆
劆                                                                        劆
劆  暔棟揑側僨僶僀僗 <--- | ---> 僾儘僙僗                                 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

]

傎偲傫偳偺応崌丄僒乕僶偲僋儔僀傾儞僩偼摨偠僐儞僺儏乕僞 (儂僗僩) 忋偱摦
嶌偟傑偡丅偟偐偟 X 僾儘僩僐儖偼廮擃惈偵晉傫偩傕偺偱丄懡偔偺堎側傞峔惉偑
壜擻偱偡丅幚嵺偵丄X 抂枛偼僗僋儕乕儞丒僉乕儃乕僪丒儅僂僗偐傜惉傝丄僐儞
僺儏乕僞傜偟偄擻椡偼偁傝傑偣傫丅偙傟偼丄懠偺僔僗僥儉忋偱摦嶌偟偰偄傞僋
儔僀傾儞僩偐傜棃傞 X 僾儘僩僐儖偺儊僢僙乕僕傪張棟偡傞偙偲偟偐偱偒傑偣傫
丅僒乕僶偑偁傞儂僗僩忋偱尰嵼壱摥偟偰偄傞応崌偱偁偭偰傕丄僋儔僀傾儞僩偼
偦傟偲偼棧傟偨儂僗僩 - 偨偲偊偦偺儂僗僩偑暿偺價儖傗廈偵抲偐傟偰偄偨偲偟
偰傕 - 偺忋偱幚峴偡傞偺偑朷傑偟偄偙偲偑偁傞偐傜偱偡丅

偦傟偱丄偙傟偑僐儞僺儏乕僞偺僙僉儏儕僥傿偲偳偆偄偆娭學偑偁傞偺偱偟傚偆
偐丠僒乕僶忋偱幚峴偑壜擻側僋儔僀傾儞僩偲偄偆偺偼丄拲堄怺偔惂屼偝傟傞傋
偒偱偡丅暋悢偺僋儔僀傾儞僩偑摨偠僒乕僶忋偱摦嶌偟偰偄傞傢偗側偺偱丄偦傟
傜僋儔僀傾儞僩娫捠怣偵偼丄拲堄怺偄惂屼偑晄壜寚偱偡丅偁傞僋儔僀傾儞僩偑
暿偺僋儔僀傾儞僩偵忣曬傪憲傟偨傝丄偁傞僋儔僀傾儞僩偑暿偺僋儔僀傾儞僩偺
戝帠側忣曬傪曔懆偱偒傞側傜丄偦偺僔僗僥儉偼惼庛側壜擻惈偑偁傝傑偡丅

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3. 曐岇偝傟偰偄側偄 X 僂傿儞僪僂

X 僒乕僶偲 X 僋儔僀傾儞僩娫偺捠怣偺椺傪偄偔偮偐帵偟傑偡丅

 丒 X 抂枛偺曄壔 - 僼僅儞僩娗棟丄儅僂僗偺姶搙丄僇儔乕儅僢僾丄僉乕儃乕僪
    儅僢僾
   
 丒 X 僀儀儞僩 - 僉乕儃乕僪丄儅僂僗側偳
   
 丒 X 僨乕僞 - 暥帤傪彂偄偨傝僂傿儞僪僂傪嶌惉偟偨傝夋憸傪昤偔偲偄偭偨 X
    抂枛偺僗僋儕乕儞忋偺曄壔
   
僒乕僶偵傾僋僙僗偱偒傞僋儔僀傾儞僩偲偄偆偺偼丄愽嵼揑偵丄偦偺僒乕僶忋偱
峴傢傟偰偄傞 X 捠怣偺偡傋偰偵傾僋僙僗偟丄偦傟傪曄峏偡傞擻椡傪帩偭偰偄傞
偲偄偊傑偡丅偮傑傝丄埲壓偺帠暱偑壜擻偐傕偟傟傑偣傫丅

 丒 僙僢僔儑儞僷儔儊乕僞偺廋惓
   
 丒 僂傿儞僪僂偺嶌惉丒攋夡 - 暥彂傪曐懚偡傞慜偵僂傿儞僪僂偑偳偆偄偆傢偗
    偐徚柵偟偨偙偲偼偁傝傑偣傫偐丠
   
 丒 X 僀儀儞僩偺曔懆 - 椺偊偽 xterm 僂傿儞僪僂忋偺僉乕僗僩儘乕僋傪撉傓
    偙偲偱丄儘僌僀儞偲僷僗儚乕僪偺僉乕僗僩儘乕僋傕撉傔傑偡丅
   
 丒 X 僀儀儞僩偺嶌惉 - 椺偊偽 emacs 傗 xterm 偺僂傿儞僪僂偵僉乕僗僩儘乕
    僋僔乕働儞僗傪憲傞偙偲偱丄僐儅儞僪傪幚峴偱偒傑偡丅
   
偼偭偒傝尵偭偰丄X 僒乕僶偼杮幙揑偵婋尟側偺偱偡丅側偍堦憌埆偄偙偲偵丄懡
偔偺僒乕僶偼丄弶婜愝掕偩偲丄偳偙偐傜偱傕傾僋僙僗壜擻側忬懺偱弌壸偝傟偰
偄傞偺偱偡丅

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4. 僙僉儏儕僥傿嫮壔偺曽朄

X 僒乕僶偺僙僉儏儕僥傿傪嫮壔偡傞堦斣偄偄曽朄偼壗偱偟傚偆丠擇偮偺堎側傞
曽朄偑棙梡偱偒傑偡 - 儂僗僩擣徹偲僩乕僋儞擣徹偱偡丅偦傟偧傟偵偮偄偰埲壓
偱弎傋傑偡丅

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4.1. 儂僗僩擣徹

儂僗僩擣徹偼僐僱僋僔儑儞偺巒揰偵婎偯偒僐僱僋僔儑儞傪彸擣偡傞傕偺偱偡丅
堦斒揑偵偙偺彸擣偼僐僱僋僔儑儞傪挘傞儂僗僩偺 IP 傾僪儗僗偵傛傝寛掕偝傟
傑偡丅儐乕僓偑 X 僒乕僶偵儘僌僀儞偡傞偲丄僒乕僶偼偳偺儂僗僩偐傜偺僐僱僋
僔儑儞傕庴偗擖傟傞壜擻惈偑偁傝傑偡丅 xhost 偲屇偽傟傞僾儘僌儔儉偼丄偳偺
儂僗僩偑偦偺 X 僒乕僶忋偵僋儔僀傾儞僩傪昞帵偱偒傞偐偲偄偆 host-by-host
儗儀儖偺惂屼偺偨傔偵梡堄偝傟偰偄傑偡丅偟偐偟丄傎偲傫偳偺儂僗僩偼儅儖僠
儐乕僓傪僒億乕僩偟偰偄傞偺偱丄偁傞儂僗僩忋偺擟堄儐乕僓偵懳偟偰傾僋僙僗
惂屼傪峴偆偙偲偼晄壜擻偱偡丅

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4.2. 僩乕僋儞擣徹

擣徹曽朄偺擇偮傔偼偦傟偧傟偺僋儔僀傾儞僩偑採嫙偡傞僩乕僋儞偵婎偯偒偦傟
傜傪妋擣偟傑偡丅xauth 偲屇偽傟傞僾儘僌儔儉傪梡偄丄偦傟偧傟偺僋儔僀傾儞
僩偵 'magic cookie' 傪梌偊傑偡丅'magic cookie' 偼棎悢偱丄傾僋僙僗傪嫋壜
偟偰傕傜偆 X 僒乕僶偵採嫙偟側偗傟偽側傝傑偣傫丅

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 

5. 儂僗僩擣徹

X 偺僙僉儏儕僥傿嫮壔偺偨傔偵嵟傕峀偔巊傢傟偰偄傞巇慻傒偼傕偪傠傫 xhost
僾儘僌儔儉偱偡丅娙扨偵巊偊傞斀柺丄 xhost 偼傗傗廮擃惈偵偐偗傑偡丅

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 

5.1. xhost 偺巊偄曽

xhost 僾儘僌儔儉偺巊偄曽偼暋嶨偱偼偁傝傑偣傫丅偦傟偧傟偺 X 僒乕僶偼傾僋
僙僗傪嫋壜傕偟偔偼嫅斲偡傞儂僗僩偺堦棗傪娗棟偟傑偡丅xhost 僾儘僌儔儉偼
偦偺堦棗傪廋惓偡傞偨傔偵巊傢傟傑偡丅僐儅儞僪儔僀儞偺峔暥傪師偵帵偟傑偡
丅

 丒 偙偺 X 僒乕僶偑傾僋僙僗傪嫋壜偟偰偄傞儂僗僩偺堦棗傪昞帵偟傑偡丅
   
    xhost
   
 丒 bar.foo.org 偲偄偆儂僗僩傪捛壛偡傞偨傔偵丄師傪擖椡偟傑偡丅
   
    xhost +bar.foo.org
   
    偦偺寢壥偦偺儅僔儞忋偺偳傫側儐乕僓偺偳傫側僾儘僌儔儉傕 X 僒乕僶偲捠
    怣偱偒傞傛偆偵側傝傑偡丅
   
 丒 愭掱偲摨偠儂僗僩傪嶍彍偡傞偨傔偵丄師傪擖椡偟傑偡丅
   
    xhost -bar.foo.org
   
 丒 傾僋僙僗惂屼傪柍岠偵偟偰 X 僒乕僶傪悽奅偵岦偗偰奐偒傑偡丅 [栿拲丗旕
    忢偵婋尟側偺偱丄寉乆偟偔帋偟偰偼偄偗傑偣傫丅]
   
    xhost +
   
 丒 傾僋僙僗惂屼傪嵞搙桳岠 (偮傑傝尰忬偺儂僗僩偺堦棗傪嵞傃棙梡偟傑偡)
    偵偡傞偨傔偵丄師傪擖椡偟傑偡丅
   
    xhost -
   
堷偒悢偑柍偄応崌丄xhost 偼傾僋僙僗惂屼傪桳岠偵偟偰偄傞偐偳偆偐偲丄偳偺
儅僔儞偵傾僋僙僗傪嫋偟偰偄傞偐栠偟傑偡丅偙傟偼儕儌乕僩偐傜幚峴偱偒傞 
xhost 偺桞堦偺梡朄偱丄偨偲偊偦偺儕儌乕僩儅僔儞偑傾僋僙僗儕僗僩忋偵偁偭
偨偲偟偰傕偙傟偟偐偱偒傑偣傫丅擣傔傜傟偰偄側偄儂僗僩偺儐乕僓偑愙懕傪帋
傒傞偨傔偵 xhost 傪棙梡偡傞偲丄師偵帵偡墳摎偑昞帵偝傟傞偱偟傚偆丅
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          Xlib: connection to "display:0.0" refused by server       劆
劆          Xlib: Client is not authorized to connect to Server       劆
劆                                                                    劆
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僐僱僋僔儑儞偑挘傜傟偨屻丄偦偺儂僗僩傾僋僙僗傪柍岠偵偟偰傕婛懚偺僐僱僋
僔儑儞偵偼塭嬁偟側偄偙偲偵拲堄偟偰偔偩偝偄丅妋棫 (establish) 偝傟偨僐僱
僋僔儑儞傪愗傞偵偼丄偦偺僒乕僶傪儕僙僢僩偟側偗傟偽側傝傑偣傫丅

偟偐偟幚偺偲偙傠丄偙傟偼曋棙側婡擻偱傕偁傝傑偡丅 xhost 傪巊偆僗儅乕僩側
曽朄偼丄偁傞儂僗僩忋偺僋儔僀傾儞僩傪婲摦偡傞娫偩偗偦偺儂僗僩偺傾僋僙僗
傪嫋偡偙偲偱偡丅偦偟偰丄傾僋僙僗傪柍岠偵偟傑偡丅偦偺僋儔僀傾儞僩偼摦偒
偮偯偗傑偡偑丄儂僗僩偺傾僋僙僗偼嵞傃柍岠偵側傝傑偡丅

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 

5.2. 挿強丗

xhost 偺傾僋僙僗惂屼偺巇慻傒偼傕偪傠傫巊偄傗偡偄偙偲偱偡丅扨弮側峔暥偺
僾儘僌儔儉偑堦偮昁梫側偩偗偱偡丅

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 

5.3. 抁強丗

xhost 偺娙慺偝偼挿強偲抁強傪偁傢偣傕偪傑偡丅偁傞儂僗僩偐傜偺偡傋偰偺僐
僱僋僔儑儞偼偡傋偰庴偗擖傟傜傟傞偐丄偡傋偰愗抐偝傟傞偐偺偳偪傜偐偱丄
user-by-user, program-by-program, connection-by-connection 傪婎弨偵偟偨
傕偺偱偼偁傝傑偣傫丅懡偔偺娐嫬偱偼丄柍悢偺儐乕僓偑摿掕偺儂僗僩傊偺傾僋
僙僗傪嫋壜偝傟偰偄傞偨傔丄偙傟偱偼夝寛朄偲偟偰偼晄廫暘偱偡丅偦偟偰傕偪
傠傫丄X 僒乕僶傪幚峴偟偰偄傞傎偲傫偳偺僐儞僺儏乕僞偼暋悢偺儐乕僓傾僇僂
儞僩傪帩偪丄僐儞僺儏乕僞偵儘僌僀儞偱偒傞儐乕僓偼 localhost 偺 X 僒乕僶
偲偟偰丄姰慡偵 xhost 偺傾僋僙僗惂屼傪塈夞偟偰 X 僒乕僶偵傾僋僙僗偱偒傑
偡丅

巆擮側偑傜丄NCD 僒乕僶丄SGI 僔僗僥儉丄Macintosh 梡 Mac X 偲偄偭偨懡偔偺
X 僒乕僶偼丄弶婜愝掕偱丄傾僋僙僗惂屼偑柍岠偵側偭偰偄傑偡丅X 僒乕僶偺惼
庛偝偵偮偄偰傛偔暘偐偭偰偄側偄儐乕僓偨偪偵偲偭偰丄偙傟偼怺崗側僙僉儏儕
僥傿忋偺栤戣傪惗偠偝偣傞偐傕偟傟側偄傕偺偱偡丅

Xhost 偼僩乕僋儞擣徹偵桪愭偟傑偡丅摿暿側尃尷傗僔僗僥儉娗棟幰偐傜偺墖彆
側偟偵丄儐乕僓偼偁傞僔僗僥儉傪 xhost 偺傾僋僙僗儕僗僩偵捛壛偱偒傑偡丅

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 

6. 僩乕僋儞擣徹

X 僒乕僶偼 magic cookie 傪巊偭偰丄儐乕僓偺 X 僒乕僶傊偺傾僋僙僗傪惂屼偱
偒傑偡丅偙傟偼杮幙揑偵婡夿岦偗偵彂偐傟偨丄棎悢偐傜惗惉偝傟偨傾僋僙僗僐
乕僪偱偡丅奺僋儔僀傾儞僩偼傾僋僙僗偺嫋壜傪偟偰傕傜偆慜偵摨偠 magic
cookie 偺抣傪僒乕僶偵採嫙偟側偗傟偽側傝傑偣傫丅偙偺抣偼僼傽僀儖 
.Xauthority 偵曐帩偝傟傑偡丅偦傟偼奺僙僢僔儑儞偺奐巒帪偵 X Display
Manager 偐儐乕僓偺偳偪傜偐偵傛偭偰嶌惉偝傟傑偡丅

堦戜偺儅僔儞傊偺儘僌僆儞偟偐偟側偄儐乕僓側傜丄僙僉儏儕僥傿偺嫮壔偲偄偆
壽戣偼巆偭偰偼偄傑偡偑丄榖偼娙扨偱偡丅偦偺儅僔儞忋偺儐乕僓偵傛偭偰幚峴
偝傟偨偦傟偧傟偺怴偟偄僋儔僀傾儞僩偼偦偺 magic cookie 傪尒偮偗偰栤戣柍
偔婲摦偡傞偱偟傚偆丅偟偐偟丄懡偔偺儐乕僓偼摨帪偵暋悢偺儅僔儞忋偱嶌嬈偟
傑偡丅儕儌乕僩儅僔儞忋偺 X 僋儔僀傾儞僩偼偦偺 magic cookie 偑壗偐偳偆傗
偭偰抦傞偺偱偟傚偆丠偙傟偼 xauth 僾儘僌儔儉偺婡擻偑夝寛偟傑偡丅

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 

6.1. xauth

xauth 僾儘僌儔儉偼儐乕僓偺 magic cookie 偺擣徹忣曬傪曄峏偍傛傃昞帵偡傞
偨傔偵巊傢傟傑偡丅magic cookie 偑恖偵撉傔傞宍偱昞帵偝傟傟偽丄儕儌乕僩儂
僗僩偵憲傞偙偲偑偱偒傑偡丅偦偺儕儌乕僩儂僗僩忋偱儐乕僓偺 .Xauthority 僼
傽僀儖偺拞偵 magic cookie 傪儅乕僕偡傞偨傔偵丄xauth 傪傕偆堦搙巊偄傑偡
丅儐乕僓梡偺 .rhosts 僼傽僀儖偑愝掕偝傟偰偄傞側傜丄儕儌乕僩儂僗僩
(ahost.foo.org 偲偟傑偡) 傊擣徹忣曬傪墴擖傟傞偙偲偼師偺堦峴偺僐儅儞僪偱
偱偒傑偡丅
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劆          xauth extract - $DISPLAY | rsh ahost.foo.org xauth merge -  劆
劆                                                                      劆
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嵟弶偺僐儅儞僪偼巊梡拞偺儂僗僩 ($DISPLAY) 梡偺 magic cookie 傪昗弨弌椡
(僟僢僔儏) 偵報帤偟傑偡丅師偵偙偺忣曬偼儕儌乕僩僔僃儖僐儅儞僪傊僷僀僾偝
傟偰丄儅僔儞 ahost.foo.org 忋偱 xauth 僾儘僌儔儉傪幚峴偟傑偡丅偦偟偰
magic cookie 偼昗弨擖椡 (擇偮栚偺僟僢僔儏) 偐傜撉傑傟偰丄.Xauthority 僼
傽僀儖偺拞偵儅乕僕偝傟傑偡丅偦偺寢壥丄偙偺僐儅儞僪傪幚峴偟偨儐乕僓偼
ahost.foo.org 忋偺 X 僋儔僀傾儞僩傪婲摦偟丄偦傟傜傪 X 僒乕僶忋偵昞帵偱
偒傞傛偆偵側傝傑偡丅.Xauthority 僼傽僀儖偺僷乕儈僢僔儑儞傪惓偟偔愝掕偡
傞偙偲偑廳梫偱偡丅強桳幰偩偗偑撉傒彂偒偱偒傞傛偆偵偟傑偡 ('-rw-------'
偵愝掕偟傑偡)丅偝傜偵丄儂乕儉僨傿儗僋僩儕傪儕乕僪僆儞儕乕偱傕 NFS 偱僄
僉僗億乕僩偟側偄傛偆偵婥傪偮偗偰偔偩偝偄両儅僂儞僩偝傟傞偐傕偟傟偢丄
.Xauthority 僼傽僀儖傪撉傓偙偲傪嫋偟偰偟傑偄傑偡丅

偙偙偱丄壗偑庡偵夵慞偝傟偨偺偐偵拲堄偟偰偔偩偝偄丅尰嵼丄偙偺僐儅儞僪傪
幚峴偟偨儐乕僓偼丄ahost.foo.org 忋偺偦偺儐乕僓桞堦恖偱丄斵偩偗偑偦偺 X
僒乕僶傊 X 僋儔僀傾儞僩傪愙懕偱偒傑偡丅埶慠偲偟偰 ahost.foo.org 忋偺懠
偺偡傋偰偺儐乕僓偼偙偺 X 僙僢僔儑儞偺奜偵僽儘僢僋偝傟傑偡丅

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 

6.2. X Display Manager

X Display Manager, xdm 偼儘僌僀儞僗僋儕乕儞傪暋悢偺 X 僒乕僶偵嫙媼偡傞
僋儔僀傾儞僩偱偡丅儐乕僓偑 X Display Manager 傪夘偟偰儘僌僀儞偡傞帪丄
xdm 偼儐乕僓偺儂乕儉僨傿儗僋僩儕偵偁傞僼傽僀儖 .Xauthority 偺拞傊 magic
cookie 傪彂偒傑偡丅 X 僒乕僶偼撈棫宆偺僐儞僺儏乕僞偱偁傞偲偼尷傝傑偣傫
丅桞堦偺婡擻偑懠偺僔僗僥儉偐傜偺僋儔僀傾儞僩傪幚峴偡傞 X 抂枛偱傕壜擻偱
偡丅偙偺庤偺儅僔儞偼 xdm 偑嵟弶偺儘僌僀儞僗僋儕乕儞傪昞帵偡傞偙偲傪昁梫
偲偟傑偡丅撈棫宆偺僐儞僺儏乕僞偱傕 xdm 傪棙梡偡傞偐傕偟傟傑偣傫丅懡偔偺
儐乕僓偵巊偄傗偡偄儘僌僀儞庤弴傪採嫙偡傞埲奜偵丄 xdm 偼 magic cookie 偵
傛傞擣徹偺僒億乕僩傕採嫙偟傑偡丅偙偺擣徹偼弶傔偵僼傽僀儖 /usr/lib/X11/
xdm/xdm-config 撪偺師偵帵偡 X 儕僜乕僗偺僄儞僩儕傪僆儞偵偟側偗傟偽側傝
傑偣傫 -
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劆          DisplayManager*authorize:     true                        劆
劆                                                                    劆
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偙傟偱 xdm 偼儐乕僓偑儘僌僀儞偡傞偨傃偵怴偟偄 magic cookie 傪惗惉偟偰丄
儐乕僓偺 .Xauthority 僼傽僀儖偺拞偵偦偺抣傪奿擺偟傑偡丅

xdm 傪巊傢側偄応崌偱傕丄偙偺擣徹曽幃傪巊偆偙偲偑偱偒傑偡 - 偙偺偙偲偼師
偺崁偱弎傋傑偡丅

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 

6.3. Xdm 側偟偱 magic cookie 傪惗惉偡傞

Xdm 偼偁側偨梡偺 .Xauthority 僼傽僀儖傪娗棟偟傑偡偑丄 xdm 傪巊傢側偔偰
傕 magic cookie 擣徹偼壜擻偱偡丅懡偔偺僒乕僶忋偱丄儐乕僓偑 magic key 偺
抣傪惗惉偡傞昁梫偑偁傞偲偄偆偙偲偑栤戣側偩偗偱偡 (OpenWindows 偼椺奜偺
堦偮偱丄婲摦偝傟偨帪偵偦傟偼 magic cookie 傪惗惉偟傑偡)丅偙傟偼條乆側曽
朄偱峴偆偙偲偑偱偒傑偡丅椺偊偽丄Korn 僔僃儖傪巊偭偰偄傞応崌丄僔僃儖偵慻
傒崬傑傟偰偄傞棎悢惗惉婡擻傪巊偊傑偡 -
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          randomkey=`ksh -c 'echo $(( $RANDOM * $RANDOM * 2 ))'`    劆
劆          xauth add ${HOST}:0.$randomkey                            劆
劆                                                                    劆
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ksh 傪巊偭偰側偄応崌丄clock 偑 '棎悢 key' 傪摼傞偨傔偵巊偊傞偱偟傚偆 -
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          randomkey=`date +"%y%m%d%H%M%S"`                          劆
劆          xauth add ${HOST}:0 . $randomkey                          劆
劆                                                                    劆
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6.4. X11R5 偵偍偗傞 Xrsh

Xrsh 偼 X11R5 偑採嫙偡傞僗僋儕僾僩偱 contrib/clients/xrsh 僨傿儗僋僩儕
偵偁傝傑偡丅rsh 傪夘偟儕儌乕僩偺僋儔僀傾儞僩傪幚峴偡傞儐乕僓偵偲偭偰丄
偙傟偼曋棙側僗僋儕僾僩偱偡丅偙傟偼儕儌乕僩偺僋儔僀傾儞僩傪幚峴偡傞慜偵
帺摦揑偵儕儌乕僩儅僔儞傊 magic cookikie code 傪僐僺乕偡傞偨傔偵 xauth
傪棙梡偟傑偡丄椺偊偽儂僗僩 foo 忋偺 xterm 僂傿儞僪僂傪幚峴偡傞偵偼 -
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劆          xrsh -auth xauth foo xterm                                劆
劆                                                                    劆
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偲擖椡偟傑偡丅

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6.5. 挿強丗

擣徹偼 host-by-host 偱偼側偔丄user-by-user 偺婎弨偱峴傢傟傑偡丅堦偮偺儂
僗僩偑偲偰傕懡偄儐乕僓傪僒億乕僩偡傞娐嫬偵偍偄偰丄偙傟偼旕忢偵廳梫側偙
偲偱偡丅

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6.6. 抁強丗

xdm 偲 xauth 僾儘僌儔儉偼娗棟幰偲僄儞僪儐乕僓偑巊梡偍傛傃堐帩偡傞偺偵帪
娫偺偐偐傞傕偺偱偡丅儐乕僓偺曽偱 X 偺僋儔僀傾儞僩僒乕僶儌僨儖傪傛偔棟夝
偟偰偄傞偙偲偑昁梫偱偡丅

magic cookie 擣徹偼 xhost 偺僙僉儏儕僥傿偵壛偊偰丄巊傢側偗傟偽側傝傑偣
傫丅幚嵺偵偼偡傋偰偺儂僗僩偵婎偯偔傾僋僙僗傪柍岠偵偡傞偨傔偵 'xhost -'
傪巊傢側偗傟偽側傝傑偣傫丅

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7. Xterm 偺惼庛惈

xterm 僾儘僌儔儉偼儐乕僓偵僐儅儞僪儔僀儞僾儘儞僾僩 (Unix 偺僔僃儖) 傪採
嫙偡傞偨傔偵巊傢傟傑偡丅僐儅儞僪儔僀儞僾儘儞僾僩傪夘偟偰懡偔偺廳梫側儐
乕僓偲僐儞僺儏乕僞偲偺傗傝偲傝偑峴傢傟傞偺偱丄偙偺僾儘僌儔儉傪埨慡偵幚
峴偱偒傞偙偲偑廳梫偱偡丅 xterm 僾儘僌儔儉偵偁傞偄偔偮偐偺僙僉儏儕僥傿忋
偺惼庛惈偵偮偄偰弎傋傑偡丅

堦偮偼丄xterm 偑採嫙偡傞 write-access 婡擻偱偙傟傪棙梡偡傞傋偒偱偼偁傝
傑偣傫丅SendEvent 偼僉乕偲儃僞儞偺僀儀儞僩偱恖堊揑偵惗惉偝傟傑偡 (梫偡
傞偵僉乕儃乕僪傗儅僂僗偵傛傞傕偺偱偼偁傝傑偣傫)丅僨僼僅儖僩偱 xterm 偼
X 僒乕僶偐傜偺 SendEvent 梫媮傪偡傋偰嫅斲偟傑偡丅偟偐偟丄偙傟偼擇偮偺曽
朄偱曄峏壜擻偱偡丅曽朄偺堦偮栚偼丄.Xdefaults 僼傽僀儖偐 app-defaults/
Xterm 僼傽僀儖偺偳偪傜偐偺 X 儕僜乕僗偺掕媊偵師偺峴傪捛壛偟傑偡丅
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劆        xterm*allowSendEvents: True                                 劆
劆                                                                    劆
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曽朄偺擇偮栚偼丄xterm 偺儊僀儞僆僾僔儑儞儊僯儏乕 (CTRL 僉乕傪墴偟側偑傜
儅僂僗偺嵍儃僞儞傪墴偡偙偲偱昞帵偱偒傑偡) 傪夘偟偰 X 僒乕僶偵 X 僀儀儞
僩傪憲傞偙偲傪嫋壜偡傞偙偲偱偡丅偙傟傜擇偮偺曽朄偼丄xterm 傪婲摦偟偨恖
埲奜偐傜偺捠怣傪壜擻偵偟偰偟傑偆偺偱丄愨懳偵峴偆傋偒偱偼偁傝傑偣傫丅

偟偐偟丄read access 偼堎側偭偨巇慻傒傪夘偟偰惂屼偝傟傑偡丅儊僀儞僆僾僔
儑儞儊僯儏乕忋偺 'Secure Keyboard' 僆僾僔儑儞偱偡丅僆儞偵偟偨帪丄偡傋偰
偺僉乕儃乕僪偺僀儀儞僩偼偦偺 xterm 僂傿儞僪僂偵偺傒憲傜傟傑偡 (儅僂僗偺
傗傝偲傝偼曄峏偝傟傑偣傫)丅偙傟偼懠偺僋儔僀傾儞僩偑僷僗儚乕僪偺擖椡偲偄
偭偨廳梫側僉乕儃乕僪偺僀儀儞僩傪曔懆偡傞偙偲傪朩偘傑偡丅傕偪傠傫丄堦帪
婜偵偙偺僆僾僔儑儞傪僆儞偵偟偰傕偄偄偺偼堦偮偺 X 僋儔僀傾儞僩偩偗偱偡丅
偙偺僆僾僔儑儞偼廳梫側僨乕僞擖椡偵栶棫偪傑偡偑丄懠偺僂傿儞僪僂偲傗傝偲
傝偡傞偨傔偵偼僆僼偵偟側偗傟偽側傜側偄偺偱丄宲懕巊梡偡傞偵偼幚嵺揑偱偼
偁傝傑偣傫丅

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8. X 僂傿儞僪僂偺僙僉儏儕僥傿偵娭偡傞忣曬

埲壓偵帵偡 CIAC 偺宖帵偼 X 僂傿儞僪僂偵捈愙娭楢偡傞傕偺偱岞奐偝傟偰偄傑
偡丅

 丒 E-04 <http://ciac.llnl.gov/ciac/bulletins/e-04.shtml>: X11R5 偺僷僢
    僠儗儀儖 26 偑偁偨偭偰偄側偄 Xterm 偺僶乕僕儑儞偼丄儘僌婡擻偵僙僉儏
    儕僥傿忋偺惼庛偝偑偁傝傑偡丅偙偺惼庛偝偼擣徹偝傟偰偄側偄儐乕僓偑
    root 傪庢傞偙偲傪嫋偟偰偟傑偄傑偡丅 xterm 僾儘僌儔儉偵 's' (setuid)
    偺僷乕儈僢僔儑儞價僢僩偑愝掕偝傟丄僐儅儞僪 'xterm -l' 偑僼傽僀儖 '
    XtermLog.axxxx' 傪嶌惉偡傞側傜丄偦偺惼庛偝偑懚嵼偡傞偐傕偟傟傑偣傫
    丅
   
 丒 B-11 <http://ciac.llnl.gov/ciac/bulletins/b-11.shtml>: OpenWindows
    2.0 (崱偱偼偲偰傕屆偄僶乕僕儑儞偱偡) 傪幚峴偟偰偄傞 Sun 偺僐儞僺儏
    乕僞偺僙僉儏儕僥傿忋偺惼庛偝偼廳梫側僼傽僀儖偺搻梡傪嫋偟傑偡丅偙傟
    傪彍嫀偡傞曽朄傪弎傋偰偄傑偡丅 E-05, D-11: 偙傟傜偼 SunOS 偲
    Solaris 梡偺儕儕乕僗偺敪昞偱偡丅偙傟傜擇偮偺僷僢僠偼 OpenWindows 僔
    僗僥儉偵偍偗傞僙僉儏儕僥傿儂乕儖傪廋暅偟傑偡丅摿偵 loadmodule 僷僢
    僠偼峀偔棙梡偝傟偰偄偨僶僌傕廋惓偡傞偺偱丄廳梫偱偡丅
   
 丒 F-19 <http://ciac.llnl.gov/ciac/bulletins/f-19.shtml>: SATAN 偲屇偽
    傟傞傛偔抦傜傟偨惼庛偝偺扵嵏僾儘僌儔儉偼 X 僂傿儞僪僂偺惼庛偝傪扵嶕
    偟傑偡丅偙偺宖帵偼 SATAN 扵嵏偐傜 HP-UX 偺 X 僂傿儞僪僂僒乕僶傪曐岇
    偡傞偨傔偵 Hewlett-Packard HP-UX 偵娭楢偟偨忣曬傪採嫙偟傑偡丅
   
 丒 F-21 <http://ciac.llnl.gov/ciac/bulletins/f-21.shtml>: 偙偺宖帵偼
    F-19 偲摨條偱偡偑丄SUN OS 偵屌桳偺忣曬偱偡丅
   
 丒 F-23 <http://ciac.llnl.gov/ciac/bulletins/f-23.shtml>: 偙偺宖帵偼
    F-19 偲摨條偱偡偑丄IBM AIX 偵屌桳偺忣曬偱偡丅
   
 丒 F-24 <http://ciac.llnl.gov/ciac/bulletins/f-24.shtml>: 偙偺宖帵偼
    F-19 偲摨條偱偡偑丄SGI IRIX 偵屌桳偺忣曬偱偡丅
   
埲壓偵帵偡 CIAC 偺拲婰偼 X 僂傿儞僪僂偵捈愙娭楢偡傞傕偺偱偡丅

 丒 Notes 7 <http://ciac.llnl.gov/ciac/notes/Notes07.shtml>: SATAN 偺徻
    嵶傪弎傋偨旕忢偵挿偄榑暥偱丄偦偺扵嵏偼 X 僂傿儞僪僂屌桳偺忣曬傪栐梾
    偟傑偡丅
   
忋婰偺宖帵偲拲婰偺偡傋偰偼 http://ciac.llnl.gov 偵偁傞 CIAC 偺僂僃僽僒
乕僶忋偱棙梡偱偒傑偡丅

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9. APPENDIX A: CONTACTING CIAC

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劆        Phone                (510) 422-8193                         劆
劆                                                                    劆
劆        Fax                  (510) 423-8002                         劆
劆                                                                    劆
劆        STU-III              (510) 423-2604                         劆
劆                                                                    劆
劆        Electronic mail       ciac@llnl.gov <mailto:ciac@llnl.gov>  劆
劆                                                                    劆
劆        Emergency SKYPAGE     800-SKYPAGE pin# 855-0070             劆
劆                                                                    劆
劆        Anonymous FTP server  ciac.llnl.gov (IP 128.115.19.53)      劆
劆                                                                    劆
劆        BBS                   (510) 423-3331 (9600 Baud)            劆
劆                              (510) 423-4753 (2400 Baud)            劆
劆                                                                    劆
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9.1. READER COMMENTS

CIAC updates and enhances the documentation it produces. If you find
errors in or have suggestions to improve this document, please fill out
this form. Mail it to CIAC, Lawrence Livermore National Laboratory,
P.O. Box 808, Mail Stop L-303, Livermore, CA, 94551-9900. Thank you.
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    List errors you find here. Please include page numbers.                   劆
劆                                                                              劆
劆                                                                              劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆                                                                              劆
劆    List suggestions for improvement here.                                    劆
劆                                                                              劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆    ________________________________________________________________________  劆
劆                                                                              劆
劆    Optional:                                                                 劆
劆                                                                              劆
劆    Name _____________________________________________  Phone ______________  劆
劆    Securing X Windows CIAC-2316 R.0       September, 1995                    劆
劆                                                                              劆
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10. 擔杮岅栿偵偮偄偰

擔杮岅栿偼 Linux Japanese FAQ Project 偑峴偄傑偟偨丅東栿偵娭偡傞偛堄尒
偼 JF 僾儘僕僃僋僩 <JF@linux.or.jp> 埗偵楢棈偟偰偔偩偝偄丅

偙偺暥彂偼 LDP 暥彂 Remote X Apps mini-HOWTO <http://www.linuxdoc.org/
HOWTO/mini/Remote-X-Apps.html> (擔杮岅栿 <http://www.linux.or.jp/JF/
JFdocs/Remote-X-Apps.html>) 偱徯夘偝傟偰偄傑偡丅偙偺 mini-HOWTO 偼儕儌
乕僩 X 傾僾儕働乕僔儑儞傪幚峴偡傞曽朄偵偮偄偰愢柧偟偰偄傞傕偺偱丄娭楢偟
偨撉傒暔偲偟偰丄偙偺暥彂傪撉傓偙偲傪姪傔偰偄傑偡丅偙偺暥彂帺懱偼 CIAC
偵 html 暥彂偲偟偰宖帵偝傟偰偄偨傕偺傪 JF 偱岞奐偡傞偨傔偵丄DocBook 壔
偟丄挊幰偺椆彸傪摼偨傕偺傪僜乕僗偲偟偰巊梡偟傑偟偨丅撪梕偼 1995 擭摉帪
偺 X 偱偁傞 X11R5 偲 linux 偱偼側偄 Unix 傪儀乕僗偵彂偐傟偰偄傞偺偱丄尰
嵼偺 linux 偺奺僨傿僗僩儕價儏乕僔儑儞偲丄僐儅儞僪傗僼傽僀儖僷僗側偳懡彮
堘偄偑偁傝傑偡丅偟偨偑偭偰丄偙偺暥彂偼 Remote X Apps mini-HOWTO 傪曗偆
撉傒傕偺偲偟偰妶梡偟偰偔偩偝偄丅

R.0j

東栿:
   
    栰杮峗堦 <hng@ps.ksky.ne.jp>
   
曐庣(2004/03/05):
   
    彫椦夒揟 <zap03216@nifty.ne.jp>
   
峑惓:
   
     仩 嵅栰晲弐偝傫 <kgh12351@nifty.ne.jp>
       
     仩 愮扷桾巌偝傫 <ysenda@pop01.odn.ne.jp>
       
     仩 偝偄偲偆偐傫偝傫 <cans@i-cann.org>
       
     仩 拞搰姴晇偝傫 <minakaji@osaka.email.ne.jp>
       
