From owner-freebsd-net Tue Nov 26 11:29:24 2002 Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 82B9537B404 for ; Tue, 26 Nov 2002 11:29:23 -0800 (PST) Received: from mail.sandvine.com (sandvine.com [199.243.201.138]) by mx1.FreeBSD.org (Postfix) with ESMTP id B452743E88 for ; Tue, 26 Nov 2002 11:29:22 -0800 (PST) (envelope-from don@sandvine.com) Received: by mail.sandvine.com with Internet Mail Service (5.5.2653.19) id ; Tue, 26 Nov 2002 14:29:18 -0500 Message-ID: From: Don Bowman To: 'Julian Elischer' , Don Bowman Cc: "'freebsd-net@freebsd.org'" Subject: RE: IPFW question with options and fwd rule Date: Tue, 26 Nov 2002 14:29:16 -0500 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="iso-8859-1" Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > From: Julian Elischer [mailto:julian@elischer.org] > On Tue, 26 Nov 2002, Don Bowman wrote: > > > > > If I create a rule to 'fwd' packets with a particular TCP option > > set (or IP option) to a specific local port, and then I accept > > on that port, will subsequent packets without that option work? > > ... > well, no, because 5555 != 1234 :-) > but, assuming that your rule said 5555, then it would only > reach you if > it has the ts option set. > > to be forwarded a packet must match teh rule.. > subsequent packewts must ALSO match the rule. Sigh, I guess TANSTAAFL shows true. I was hoping once the PCB was setup that it could act like some sort of packet attractor. Or in other words, to get the packet stream to play follow the leader on the syn. --don (don@sandvine.com www.sandvine.com) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message