Date: Fri, 28 Jul 2006 00:26:06 -0300 (ADT) From: User Freebsd <freebsd@hub.org> To: freebsd-questions@freebsd.org Subject: Re: icmp packets - disabling via sysctl, or cisco switch ... ? Message-ID: <20060728002433.E17979@ganymede.hub.org> In-Reply-To: <20060728001202.W17979@ganymede.hub.org> References: <20060728001202.W17979@ganymede.hub.org>
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Just an appendum, but this is what I'm seeing in /var/log/messages right now: Jul 28 00:22:37 io kernel: Limiting icmp unreach response from 6255 to 200 packets/sec Jul 28 00:22:38 io kernel: Limiting icmp unreach response from 6515 to 200 packets/sec Jul 28 00:22:39 io kernel: Limiting icmp unreach response from 6646 to 200 packets/sec ^C And its been going on for several hours now ... :( On Fri, 28 Jul 2006, User Freebsd wrote: > > Two part question here ... > > first part ... is there a way of just disabling icmp by setting a sysctl, so > that a server just doesn't respond to them? > > second part ... is there a way of telling a cisco switch to drop all icmp > packets, preferrably to all but an exception list, but to everywhere works as > well ... > > I'm running a Cisco 2950-24 ... > > thanks ... > > ---- > Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) > Email . scrappy@hub.org MSN . scrappy@hub.org > Yahoo . yscrappy Skype: hub.org ICQ . 7615664 > ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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