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Full Discussion: How to track FTP logins
Top Forums Shell Programming and Scripting How to track FTP logins Post 302389432 by dinjo_jo on Monday 25th of January 2010 12:57:31 AM
Old 01-25-2010
Change /bin/false to the shell /sbin/nologin. Make sbin/nologin a link to a script that updates a file somewhere. /sbin/nologin should be on your system
 

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NOLOGIN(5)						      BSD 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 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). 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) BSD
May 10, 2007 BSD
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