From owner-freebsd-net Wed Jan 29 15:58:50 2003 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 C653437B401 for ; Wed, 29 Jan 2003 15:58:48 -0800 (PST) Received: from arthur.nitro.dk (port324.ds1-khk.adsl.cybercity.dk [212.242.113.79]) by mx1.FreeBSD.org (Postfix) with ESMTP id 86A0D43F85 for ; Wed, 29 Jan 2003 15:58:47 -0800 (PST) (envelope-from simon@arthur.nitro.dk) Received: by arthur.nitro.dk (Postfix, from userid 1000) id 6C7D510BFA5; Thu, 30 Jan 2003 00:58:36 +0100 (CET) Date: Thu, 30 Jan 2003 00:58:36 +0100 From: "Simon L. Nielsen" To: Trent Nelson Cc: freebsd-net@freebsd.org Subject: Re: ipfw keep-state problem Message-ID: <20030129235835.GF327@nitro.dk> References: <20030129213450.GA6421@limekiln.vcisp.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="hoZxPH4CaxYzWscb" Content-Disposition: inline In-Reply-To: <20030129213450.GA6421@limekiln.vcisp.net> User-Agent: Mutt/1.5.1i 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 --hoZxPH4CaxYzWscb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2003.01.29 21:34:50 +0000, Trent Nelson wrote: > If I had to take a wild guess, I'd say that the keep-state setup > rules added dynamically are expiring too quickly, and thus, subseq- > uent traffic is hitting the ``deny tcp from any to any established'' > rule. Yes this happens with ipfw1. You can use ipfw2 (which sends keep-alive for tcp connections) or increase the lifetime of dynamic rules. I'm using ipfw2 and it works fine - I had the same problem with ipfw1. --=20 Simon L. Nielsen --hoZxPH4CaxYzWscb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+OGqr8kocFXgPTRwRAiKzAKCmRofHPG1nIVgx3vFRSbNb7ayA9gCdHGnw hWNzsDA8WmQinjHrbllK/dY= =HTqn -----END PGP SIGNATURE----- --hoZxPH4CaxYzWscb-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message