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Date:      Tue, 27 Jun 2000 14:53:05 GMT
From:      Salvo Bartolotta <bartequi@inwind.it>
To:        freebsd-security@FreeBSD.ORG
Subject:   icmp type 3 code 4: a couple of questions
Message-ID:  <20000627.14530500@bartequi.ottodomain.org>

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Dear FreeBSD'ers,

I am running a paranoidly closed firewall (homebox).

Just out of curiosity, is there an *ipfw* way to allow ONLY icmp type=20
3 code 4 packets (DF), dropping all other icmp packets onto the floor=20
?

The question may be academic, though; I seem to understand that=20
letting icmptypes 3 in (while letting NO icmp packets out) should=20
achieve the same (paranoid) goal. Am I missing anything ?  =20

Thanks in advance,
Salvo





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