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Date:      Mon, 21 Aug 2000 15:59:35 +0400 (MSD)
From:      Jaroshenko Serge <jaroshenko@mail.ru>
To:        Mipam <mipam@ibb.net>
Cc:        William Wong <willwong@anime.ca>, freebsd-security@FreeBSD.ORG
Subject:   Re: icmptypes
Message-ID:  <Pine.BSF.4.21.0008211549410.8776-100000@freebsd.merlin.ru>
In-Reply-To: <Pine.LNX.3.95.1000821131544.7312D-100000@ux1.ibb.net>

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On Mon, 21 Aug 2000, Mipam wrote:

> On Mon, 21 Aug 2000, Jaroshenko Serge wrote:
> 
> > 
> > Hi!
> > read www.obfuscation.org/ipf/ipf-howto.txt .
> > 
> > By this doc:
> > 
> > icmp-type 0
> > icmp-type 3
> > icmp-type 8
> > icmp-type 11
> > 
> 
> Okay, however, why not block in all icmp and let yourself be able to ping
> to the outside. 

O'key, if don't need traceroute or icmp destination-unreachable -
block in all proto icmp , but in this case your browser or (ftp client)
long time wait response from unreachable destination!

> With state keeping you'll recieve the reply's.

Try it!

> Unless of course you wish ppl to ping you initially?
> Bye,
> 
> Mipam.
> 
> 
> 



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