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Top Forums UNIX for Dummies Questions & Answers User should not be allowed to change passwd Post 96763 by aigles on Monday 23rd of January 2006 11:00:36 AM
Old 01-23-2006
From AIX passwd man page :

Quote:
If the root user adds the ADMIN attribute to your flags entry or if the password
field in the /etc/passwd file contains an * (asterisk), only the root user can
change your password. The root user also has the exclusive privilege of changing
your password if the password field in /etc/passwd contains an ! (exclamation
point) and the password field in the /etc/security/passwd file contains an *.
Not tested.


jean-Pierre.
 

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vipw(8) 						      System Manager's Manual							   vipw(8)

NAME
vipw - Edits the /etc/passwd file SYNOPSIS
/usr/sbin/vipw DESCRIPTION
You use the vipw command to edit the /etc/passwd file with the editor defined in the EDITOR environment variable. If the variable is not set, the default editor is vi. The vipw command performs basic consistency checks on the edited file. If a hashed indexed passwd existed previously, the vipw command uses the mkpasswd command to create recreate it. The command must not be used on systems that use extended security attributes since it cannot set or change them. You must be root to run this command. Only root and security administrators should have execute access to this command. Since the vipw command cannot effectively change all the attributes of users, it should not be used in a secure environment. The vipw command accesses the following files, and requires the listed permissions: ------------------------------ Permissions File ------------------------------ rw /etc/passwd rw /etc/passwd.pag rw /etc/passwd.dir rw /etc/ptmp rw /etc/ptmp.pag rw /etc/ptmp.dir ------------------------------ EXAMPLE
To edit the /etc/passwd file, type the following command and add the required line entry: vipw FILES
Specifies the command path RELATED INFORMATION
Commands: passwd(1), passwd(4), adduser(8), mkpasswd(8) delim off vipw(8)
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