No, this is not what I was asking for. Of course, we can block by OS but what I wanted to know was, how did Steve determine that Linux hosts were causing him grief on the Netserver running 3.6 ?
I should have been clearer. Sorry about that. Thanks nevertheless. Mark T. Uemura OpenBSD Support Japan Inc. www.openbsd-support.com > > > On the Netserver I blocked Linux OS from accessing ssh port with PF > > > as I exclusively use OpenBSD and the problem did not > > > occur again but as mentioned it was replaced fairly shortly > > > afterwards. > > > > How did you figure this out? I'm curious. > > block in log proto tcp from any os Linux to ($ext_if) port ssh > > is an option. > > Bye... Nico
