comp.security.firewalls archive
Re: Blocked incoming ICMP, getting outgoing ICMP [3] Destination Unreachable
From: Sebastian Gottschalk <seppi@seppig.de>
Date: Sat Feb 25 2006 - 09:24:40 CET
Date: Sat Feb 25 2006 - 09:24:40 CET
Dubious Dude wrote:
> I have a rule in Kerio Personal firewall
Oh, shit spotted.
> to block incoming ICMP [8] (Echo Request)
Isn't that just a stupid idea?
> and [30] Traceroute.
ZOMG !!!11
> I am still getting outgoing ICMP
> [3] Destination Unreachable. Doesn't [3] need an incoming ICMP to
> provoke it?
No. What part of RFC 792 didn't you understand?
Received on Mon May 1 00:52:46 2006