From owner-freebsd-net@FreeBSD.ORG Mon May 10 03:51:52 2004 Return-Path: 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 1C8E316A4CE for ; Mon, 10 May 2004 03:51:52 -0700 (PDT) Received: from deliver.epitech.net (deliver.epitech.net [163.5.0.25]) by mx1.FreeBSD.org (Postfix) with SMTP id 6737143D31 for ; Mon, 10 May 2004 03:51:51 -0700 (PDT) (envelope-from le-hen_j@epita.fr) Received: from epita.fr ([10.42.1.60]) by deliver.epitech.net (SAVSMTP 3.1.2.35) with SMTP id M2004051012474320063 ; Mon, 10 May 2004 12:47:43 +0200 Received: from rocco (rocco.epita.fr [10.42.14.9]) by epita.fr id i4AApnJ03952 Mon, 10 May 2004 12:51:49 +0200 (CEST) Date: Mon, 10 May 2004 12:51:47 +0200 From: Jeremie LE HEN To: Richard Coleman Message-ID: <20040510105147.GA6402@rocco.epita.fr> References: <200405061846.i46Ik3Jc060969@repoman.freebsd.org> <20040506185854.GB1777@madman.celabo.org> <20040507072031.GA48708@hub.freebsd.org> <200405070755.36055.sam@errno.com> <20040508152531.GA96827@hub.freebsd.org> <20040508101459.A98855@xorpc.icir.org> <409D20C8.6090105@mindspring.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <409D20C8.6090105@mindspring.com> User-Agent: Mutt/1.4i cc: freebsd-net@freebsd.org Subject: Re: cvs commit: src/sys/netinet ip_fastfwd.c ip_input.c ip_var.h X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 May 2004 10:51:52 -0000 > A quick glance raises this question about net.inet.tcp.blackhole, > net.inet.udp.blackhole, IPSTEALTH, and TCP_DROP_SYNFIN. I'm sure there > are others. I agree for the IPSTEALTH and TCP_DROP_SYNFIN options, but *.blackhole options are quite useful if you want to open a range of port (for example FTP passive port range) without appearing as non-firewalled. This feature cannot be achieved using one of the available packet filters on FreeBSD. Regards, -- Jeremie LE HEN aka TtZ/TataZ jeremie.le-hen@epita.fr ttz@epita.fr Hi! I'm a .signature virus! Copy me into your ~/.signature to help me spread!