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.
6.23.3. MODULE TYPES PROVIDED
The auth and acct module
types are provided.
- 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.
The suggested usage for /etc/pam.d/login is:
auth required pam_nologin.so
pam_nologin was written by Michael K. Johnson <johnsonm@redhat.com>.