only one user logged per session/time

Martin Jessa freebsd at
Thu Sep 11 11:34:17 PDT 2003

Are you concerned how much cpu and ram each ssh session spawns?
If you do that, make sure users cannot compile screen in their home dirs.
Otherwise I think it's pointless. 

On Thu, 11 Sep 2003 13:26:11 -0500 (CDT)
nbari at wrote:

> Hello, I have a server with ssh access to the users, but how can I allow
> only one user to be logged at a time.
> I dont want to allow a user to login multiple times, I just want the user
> to login onece and if he try to open a second coneection, refuse the user
> until the session is over or the user is allready loged.
> thanks in advance.
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