this is kind of where an LDAP server comes in to play, then you cna restrict number of concurrent logins across the network. On Wed, Jun 17, 2009 at 10:58 AM, Bill Jonas wrote: > Hi all, > > I was wondering if anybody might point me in the right direction here. > I know that for limiting concurrent logins on a *single* machine, > you can set "maxlogins" in /etc/security/limits.conf. > > However, this is only good for that single system.  Suppose you have > three machines (foo, bar, and baz), and you wish to restrict the number > of total logins across all three servers.  For example, you wish to > specify that a user may only log in once, total, on this set of systems. > > I've searched Google with very little luck.  Most of the results are > either about limits.conf, limiting concurrent logins on a Windows > domain (yes, even with search terms of 'linux limit concurrent network > logins' and the like), or are otherwise irrelevant. > > Can anyone provide any clues, point me in the right direction, or at > least let me know I'll have to hack something together with finger, > rwho, and/or a custom PAM module? :) > > Thanks! > > -- > Bill Jonas    *    bill@billjonas.com    *    http://www.billjonas.com/ > "It's a dangerous business, Frodo, going out your front door.  You step > into the Road,  and if you don't keep your feet,  there  is  no knowing > where you might be swept off to."  --  Bilbo Baggins > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > -- A mouse trap, placed on top of your alarm clock, will prevent you from rolling over and going back to sleep after you hit the snooze button. Stephen --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss