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 . [EMAIL PROTECTED]                              MSN . [EMAIL PROTECTED]
Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664


----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email . [EMAIL PROTECTED]                              MSN . [EMAIL PROTECTED]
Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664
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