Re: Problem of blocking ICMP packets

To: Dean Anderson <dean at av8.com>
Subject: Re: Problem of blocking ICMP packets
From: Anthony DeRobertis <asd at suespammers.org>
Date: Mon, 10 May 2004 14:01:29 -0400
Cc: Masataka Ohta <mohta at necom830.hpcl.titech.ac.jp>, Rajat <myself_rajat at yahoo.com>, <ietf at ietf.org>
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On May 9, 2004, at 19:33, Dean Anderson wrote:

I have only heard that those that block ICMP echo have had
problems.

Nothing to do with ICMP echo. It's blocking ICMP unreachable, fragmentation needed that causes problems.

ICMP unreachables related to known connections should be allowed through the firewall.


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References:
- Re: Problem of blocking ICMP packets
  - From: Dean Anderson

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Re: Problem of blocking ICMP packets

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