Security Basics mailing list archives

Re: Removing ping/icmp from a network


From: "Jon R. Kibler" <Jon.Kibler () aset com>
Date: Wed, 26 Mar 2008 17:47:43 +0000

Edward Ling wrote:
"I don't see any ICMP messages that are a MUST for network operation."


"Packet too big" (ICMP 3/4) IS required for PMTUD. You will drop packets without it.

Jon K.
--
Jon R. Kibler
Chief Technical Officer
Advanced Systems Engineering Technology, Inc.
Charleston, SC  USA
(843) 849-8214





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