From owner-freebsd-net Mon Nov 19 2:20:26 2001 Delivered-To: freebsd-net@freebsd.org Received: from gull.prod.itd.earthlink.net (gull.mail.pas.earthlink.net [207.217.120.84]) by hub.freebsd.org (Postfix) with ESMTP id 076A737B41A for ; Mon, 19 Nov 2001 02:20:22 -0800 (PST) Received: from dialup-209.245.132.171.dial1.sanjose1.level3.net ([209.245.132.171] helo=blossom.cjclark.org) by gull.prod.itd.earthlink.net with esmtp (Exim 3.33 #1) id 165lXA-00052h-00; Mon, 19 Nov 2001 02:20:20 -0800 Received: (from cjc@localhost) by blossom.cjclark.org (8.11.6/8.11.3) id fAJAIA984447; Mon, 19 Nov 2001 02:18:10 -0800 (PST) (envelope-from cjc) Date: Mon, 19 Nov 2001 02:18:02 -0800 From: "Crist J. Clark" To: Brendan Kosowski Cc: FreeBSD Networking Subject: Re: Services very slow on Firewall/nat boxes. Message-ID: <20011119021802.N69555@blossom.cjclark.org> Reply-To: cjclark@alum.mit.edu References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from brendan@bmk.com.au on Mon, Nov 19, 2001 at 08:45:11PM +1100 X-URL: http://people.freebsd.org/~cjc/ 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 On Mon, Nov 19, 2001 at 08:45:11PM +1100, Brendan Kosowski wrote: > > I am running natd on a FreeBSD box with IPFIREWALL and IPDIVERT added to > the kernel. Firewall type is open. > > I have noticed that when you run a server (eg. sendmail, named, pop3 etc.) > on the above, initial connection to the service is very slow (ie. between > 5 and 60 seconds ), however once connection has been established data > transfer becomes very fast (as per normal). > > If I disable natd and replace kernel with original, initial connection to > services is very fast. DNS. Your machine is timing out making DNS queries. -- Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message