pam_shells - PAM module to check for valid login shell
2. SYNOPSIS ▲
3. DESCRIPTION ▲
pam_shells is a PAM module that only allows access to the system if the users shell is listed in /etc/shells.
It also checks if /etc/shells is a plain file and not world writable.
4. OPTIONS ▲
This module does not recognise any options.
5. MODULE TYPES PROVIDED ▲
The auth and account module types are provided.
6. RETURN VALUES ▲
Access to the system was denied.
The users login shell was listed as valid shell in /etc/shells.
The module was not able to get the name of the user.
7. EXAMPLES ▲
auth required pam_shells.so
8. SEE ALSO ▲
shells(5), pam.conf(5), pam.d(5), pam(7)
9. AUTHOR ▲
pam_shells was written by Erik Troan <>.