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NOLOGIN(5)		 DragonFly 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 pre- vent 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 exempt from temporary login restriction. PAM-aware programs can be selectively configured to respect nologin using the pam_nologin(8) module via pam.conf(5).

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) DragonFly 4.1 May 10, 2007 DragonFly 4.1