From owner-freebsd-security Fri Aug 18 18:45: 9 2000 Delivered-To: freebsd-security@freebsd.org Received: from bsdie.rwsystems.net (bsdie.rwsystems.net [209.197.223.2]) by hub.freebsd.org (Postfix) with ESMTP id C148F37B423 for ; Fri, 18 Aug 2000 18:45:06 -0700 (PDT) Received: from bsdie.rwsystems.net([209.197.223.2]) (1484 bytes) by bsdie.rwsystems.net via sendmail with P:esmtp/R:bind_hosts/T:inet_zone_bind_smtp (sender: ) id for ; Fri, 18 Aug 2000 20:41:59 -0500 (CDT) (Smail-3.2.0.106 1999-Mar-31 #1 built 1999-Aug-7) Date: Fri, 18 Aug 2000 20:41:59 -0500 (CDT) From: James Wyatt To: freebsd-security@freebsd.org Subject: Re: [Q] why does my firewall degrade Web performance? In-Reply-To: <4.3.1.2.20000818172410.00ba9f08@mail.imag.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org I am *amazed* at how much a simple 90 degree bend in a 100bT (or 10bT) can ruin throughput in a cable. Forget it straight-out if you have a kink! If you ever have access to a TDR cable tester, grab a cheap patch cable or long cable or two and try it. Nothing teaches like experimentation! That said, the advice to try uploading and downloading from both ends to the machine in the middle is just plain sage. Cut your problems in half a few times and you'll be within inches of them. - Jy@ On Fri, 18 Aug 2000, Luke Cowell wrote: > I had a NAT firewall setup for my wave connection at home. I had some old > cable I decided to run through my wall. When all was said and done it did > not work as expected. I did see that my interrupt % was very high (90% > approx) the culprit was a faulty cable. This may be part of you problem > because when you introduced the firewall to the system you would of > introduced additional cabling. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message