you also may be able to configure Kerberos to this. http://en.wikipedia.org/wiki/Kerberos_(protocol) -jmz On Wed, Jun 17, 2009 at 3:44 PM, Stephen wrote: > 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 > --------------------------------------------------- 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