Date: Mon, 10 May 1999 16:58:16 +0700 (ALMST) From: Boris Popov <bp@butya.kz> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: net@FreeBSD.ORG Subject: Re: ipfw misc... Message-ID: <Pine.BSF.4.05.9905101643200.63124-100000@lion.butya.kz> In-Reply-To: <199905100619.IAA12419@labinfo.iet.unipi.it>
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On Mon, 10 May 1999, Luigi Rizzo wrote: > > Very nice. Also syntax 'ether type xxx' are very useful. The only > > sorry, yes, this was what i meant with > > ipfw add <action> ether from type xxx ... > > since clearly there is only one ether type in the header... > > > question - how 802.3 frame can be filtered (it doesn't have 'type' field)? > > it must be somewhere.. i wonder actually if FreeBSD does handle IP > packets in 802.3! Definetly, not IP but IPX or XNS :). Look at the code in ether_input() that process XNS family (same things used for IPX). As I understand by specifying 'ether' keyword we should get rid of higher level protocols and use only ethernet header for filtering. -- Boris Popov To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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