From owner-freebsd-hackers Mon Jan 13 13:58:36 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id NAA08882 for hackers-outgoing; Mon, 13 Jan 1997 13:58:36 -0800 (PST) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by freefall.freebsd.org (8.8.4/8.8.4) with SMTP id NAA08852 for ; Mon, 13 Jan 1997 13:58:01 -0800 (PST) Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id WAA20616 for hackers@FreeBSD.org; Mon, 13 Jan 1997 22:57:57 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.8.4/8.6.9) id WAA03097; Mon, 13 Jan 1997 22:34:22 +0100 (MET) Message-ID: Date: Mon, 13 Jan 1997 22:34:22 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: hackers@FreeBSD.org Subject: Re: IPFILTER References: <199701131951.NAA22684@plains.nodak.edu> X-Mailer: Mutt 0.55-PL10 Mime-Version: 1.0 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <199701131951.NAA22684@plains.nodak.edu>; from Mark Tinguely on Jan 13, 1997 13:51:27 -0600 Sender: owner-hackers@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk As Mark Tinguely wrote: > ping (and traceroute) uses ICMP not IP. I thought ICMP is also an IP protocol? > ICMP is not rewritten in NAT rules. But that's of course independant. > get the Stevens book to see an example of UDP ping if you wish to > use ping. Well, i hope it's not using UDP echos. :) Most sites don't enable them by default now. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)