Krzysztof Kowalik <[EMAIL PROTECTED]> wrote: > We are running an (IRC) server that under high-rate traffic (ie. DDoS > attack) stops to respond to the network. The network remains locked up > even after the original attack stops. [...]
And it turns out to be an usual PEBKAC. The system was running out of mbuf clusters, and after increasing kern.ipc.nmbclusters to a sane value things started to work as expected again. Since it's usually the first thing one changes on such a box, we didn't even think of checking it. Sorry for the noise. -- () ASCII Ribbon Campaign /\ Support plain text e-mail _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"