Subject: [tcpm] ICMP attacks draft (issue 2): Ignore ICMP Source Quenches meant for TCP connections

From: Fernando Gont <[email-masked]>
Date: Fri, 23 Sep 2005 08:02:40 -0300

Folks,

Issue 2: The draft proposes to ignore ICMP messages meant for TCP connections.
Use of ICMP Source Quench messages is already discouraged, so you shouldn't 
be receiving them. TCP also implements its own congestion control mechanisms.

Again: ICMP messages are unreliable.

OpenBSD, NetBSD, FreeBSD, and Linux (at least) have been doing this for 
several months.

Comments?

--
Fernando Gont
e-mail: [email-masked] || [email-masked]

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