6.23. pam_nologin - prevent non-root users from login
pam_nologin.so
[ file=/path/nologin
] [ successok ]
pam_nologin is a PAM module that prevents users from logging into the system when /var/run/nologin
or /etc/nologin
exists. The contents of the file are displayed to the user. The pam_nologin module has no effect on the root user's ability to log in.
-
file=
/path/nologin
-
Use this file instead the default
/var/run/nologin
or/etc/nologin
. -
successok
-
Return PAM_SUCCESS if no file exists, the default is PAM_IGNORE.
- PAM_AUTH_ERR
-
The user is not root and
/etc/nologin
exists, so the user is not permitted to log in. - PAM_BUF_ERR
-
Memory buffer error.
- PAM_IGNORE
-
This is the default return value.
- PAM_SUCCESS
-
Success: either the user is root or the nologin file does not exist.
- PAM_USER_UNKNOWN
-
User not known to the underlying authentication module.
pam_nologin was written by Michael K. Johnson <[email protected]>.