From owner-freebsd-net@FreeBSD.ORG Tue Nov 8 20:46:05 2005 Return-Path: X-Original-To: net@freebsd.org 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 EF78C16A41F for ; Tue, 8 Nov 2005 20:46:05 +0000 (GMT) (envelope-from marcolz@stack.nl) Received: from mailhost.stack.nl (vaak.stack.nl [131.155.140.140]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8A99143D46 for ; Tue, 8 Nov 2005 20:46:04 +0000 (GMT) (envelope-from marcolz@stack.nl) Received: from hammer.stack.nl (hammer.stack.nl [IPv6:2001:610:1108:5010::153]) by mailhost.stack.nl (Postfix) with ESMTP id AE4F3A2FD7; Tue, 8 Nov 2005 21:46:03 +0100 (CET) Received: by hammer.stack.nl (Postfix, from userid 333) id 797D86526; Tue, 8 Nov 2005 21:46:03 +0100 (CET) Date: Tue, 8 Nov 2005 21:46:03 +0100 From: Marc Olzheim To: Lars Eggert Message-ID: <20051108204603.GA2121@stack.nl> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3V7upXqbjpZ4EhLz" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.11 Cc: net@freebsd.org Subject: Re: TCP RST handling in 6.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Nov 2005 20:46:06 -0000 --3V7upXqbjpZ4EhLz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 08, 2005 at 11:02:25AM -0800, Lars Eggert wrote: > Thus, I'd like to suggest that the default for =20 > net.inet.tcp.insecure_rst be zero for now. AFAIK, any other TCP mod =20 > came disabled be default in the past, too. Being on the wrong end of a distributed tcp syn flood attack atm. on the machine I'm mailing from, is probably enough to convince me of its use. :-) I hardly notice anything on the machine, except for having to move the sshd to ipv6 only... Marc --3V7upXqbjpZ4EhLz Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDcQ6LezjnobFOgrERAhuaAJ0W8orTWkP8IHrFqC1vrojZRmq+wACfZDvv nXBJCQya2KdovHpoDEQznwg= =KJi8 -----END PGP SIGNATURE----- --3V7upXqbjpZ4EhLz--