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Date: Wed, 4 Dec 2013 17:34:02 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Ian FREISLICH <ianf@clue.co.za>
Subject: Re: icmp-type echoreq not matching resulting ttl exceeded
Message-ID: <20131204133402.GL48919@FreeBSD.org>
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  Ian,

On Fri, Nov 29, 2013 at 02:28:27PM +0200, Ian FREISLICH wrote:
I> At some point this stopped working.  I was able to use traceroute -I 
I> This rule let the echo request out and the resulting TTL exceeded
I> was matched and allowed back in.
I> 
I> pass  out inet proto icmp from <ournets> to any icmp-type echoreq
I> 
I> I've had to change the rule to the following to keep traceroute going:
I> 
I> pass  out inet proto icmp from <ournets> to any

This is probably related to r257223. Baptiste, any ideas?

Ian, is it possible to reproduce this on a single host? What pf.conf
and traceroute command are required?

-- 
Totus tuus, Glebius.