FreeBSD Manual Pages
NOLOGIN(5) File Formats Manual NOLOGIN(5) NAME nologin -- disallow logins DESCRIPTION Programs such as login(1) disallow logins if the nologin file exists. The programs display the contents of nologin to the user if possible and interrupt the login sequence. This makes it simple to temporarily prevent incoming logins systemwide. To disable logins on a per-account basis, investigate nologin(8). SECURITY The nologin file is ignored for user root by default. IMPLEMENTATION NOTES The nologin feature is implemented through login.conf(5), which allows to change the pathname of the file and to extend the list of users ex- empt from temporary login restriction. PAM-aware programs can be selectively configured to respect nologin us- ing the pam_nologin(8) module via pam.conf(5). The nologin file will be removed at system boot if it resides in /var/run and cleanvar_enable is set to "YES" in rc.conf(5), which is default. Therefore system reboot can effectively re-enable logins. FILES /var/run/nologin default location of nologin SEE ALSO login(1), login.conf(5), pam.conf(5), rc.conf(5), nologin(8), pam_nologin(8), shutdown(8) FreeBSD 7.0 May 10, 2007 NOLOGIN(5)
NAME | DESCRIPTION | SECURITY | IMPLEMENTATION NOTES | FILES | SEE ALSO
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