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ۼ : 06-03-07 10:42
restricted shell .
 ۾ :
ȸ : 6,383  
restricted shell ̶ /usr/lib/rsh ϸ, Ϲ ڰ working directory ɾ ϱ Ϲ login shell մϴ.

restricted shell

  - ڴ ڽ home directory ȭ "cd"
      Ͽ ٸ directory access .
     
  - ڴ root PATH directory ִ ɸ 밡 ϰ
      ڽ PATH .
     
  - ڴ ڽ home directory subdirectory ִ ȭϸ access
      ϰ "cd" Ͽ subdirectory access Ҽ .
     
  - ڴ ">"  or ">>" Ͽ output ٸ ȭϷ redirect  .

restricted shell

  1.
  - /etc/passwd Ͽ Ǿ ִ login shell /usr/lib/rsh մϴ.

  (file>root)/# vi /etc/passwd
  solo:x:1120:200:solo net:/export/solo:/bin/csh ----> .
  solo:x:1120:200:solo net:/export/solo:/usr/lib/rsh
 
  wq!

login shell .

  SunOS 5.8

  login: solo
  Password:
  Last login: Tue Mar  7 10:30:14 from ftp
  $ ls
  core                md5                oracle.bkf          patchcheck_1.2.tar
  full.dmp            md5.tar            patchcheck_1.2      test
  $ pwd
  /export/solo
  $ cd ..
  cd: ѵ
  $ ls
  /usr/bin/clear: /dev/null: ѵ
  $ ls
  core                md5                oracle.bkf          patchcheck_1.2.tar
  full.dmp            md5.tar            patchcheck_1.2      test
  $

.profile .
 
 - /etc/profile Ǵ home directory .profile ȿ PATH
  մϴ. PATH default  /usr/bin ˴ϴ.

 - home direcroty .profile 쿡 owner root ϰ
    premission 755 Ͽ ڰ ϰ մϴ.

login shell .

 - restricted shell Ƴ ¿ · ϱ ؼ
  /etc/passwd Ͽ login shell ϸ ˴ϴ.

  (file>root)/# vi /etc/passwd
  solo:x:1120:200:solo net:/export/solo::/usr/lib/rsh ----> .
  solo:x:1120:200:solo net:/export/solo:/bin/csh
 
  wq!

  Ǵ......

  (file>root)/# passwd -e solo
  Old shell: /usr/lib/rsh
  New shell: /bin/csh
  passwd: password information changed for solo
  (file>root)/#

  login shell ....

  SunOS 5.8

  login: login: solo
  Password:
  Last login: Tue Mar  7 10:33:54 from ftp
  Sun Microsystems Inc.  SunOS 5.8      Generic Patch  February 2004
  (file>solo)/export/solo%

    ....^^

 
 

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2006/03/07 9614
66 restricted shell .
2006/03/07 6384
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