From owner-freebsd-stable Wed Apr 3 6:52:30 2002 Delivered-To: freebsd-stable@freebsd.org Received: from brea.mc.mpls.visi.com (brea.mc.mpls.visi.com [208.42.156.100]) by hub.freebsd.org (Postfix) with ESMTP id 3F72537B41A for ; Wed, 3 Apr 2002 06:52:23 -0800 (PST) Received: from sheol.localdomain (hawkeyd-fw.dsl.visi.com [208.42.101.193]) by brea.mc.mpls.visi.com (Postfix) with ESMTP id 5B2672DDB9D; Wed, 3 Apr 2002 08:52:22 -0600 (CST) Received: (from hawkeyd@localhost) by sheol.localdomain (8.11.6/8.11.6) id g33EqLH20678; Wed, 3 Apr 2002 08:52:21 -0600 (CST) (envelope-from hawkeyd) Date: Wed, 3 Apr 2002 08:52:21 -0600 From: D J Hawkey Jr To: Ralf Durkee Cc: freebsd-stable@FreeBSD.ORG Subject: Re: named connections "in vain" Message-ID: <20020403085221.A20643@sheol.localdomain> Reply-To: hawkeyd@visi.com References: <20020403081630.A20450@sheol.localdomain> <200204031437.g33EbsKB038625@net.rd1.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <200204031437.g33EbsKB038625@net.rd1.net>; from ralf@net.rd1.net on Wed, Apr 03, 2002 at 09:37:54AM -0500 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Apr 03, at 09:37 AM, Ralf Durkee wrote: > > > Date: Wed, 3 Apr 2002 08:16:30 -0600 > > From: D J Hawkey Jr > > To: stable at FreeBSD > > Subject: named connections "in vain" > > > > I have the "log in vain" MIBs set on, and I get these messages, seemingly > > whenever named queries an external server: > > > > Apr 3 07:36:41 sheol /kernel: Connection attempt to UDP 192.168.16.2:2303 from 192.168.16.2:53 > > Apr 3 07:37:45 sheol /kernel: Connection attempt to UDP 192.168.16.2:2311 from 192.168.16.2:53 > > Apr 3 07:37:50 sheol /kernel: Connection attempt to UDP 192.168.16.2:2312 from 192.168.16.2:53 > > Apr 3 07:38:00 sheol /kernel: Connection attempt to UDP 192.168.16.2:2313 from 192.168.16.2:53 > > Apr 3 07:38:20 sheol /kernel: Connection attempt to UDP 192.168.16.2:2314 from 192.168.16.2:53 > > > > I can't figure out what named is trying to talk with. The only theory I can > > come up with is that named is not waiting long enough for the forwarder to > > reply, and does the query itself. When the forwarder does [finally] reply, > > the connection has already been closed (either by named or ipf)? The Cricket > > book (3rd ed.) isn't much help on this. > > I think you you are very close in your evaluation, I also use log in vain, > and came to similar conclusions, about these messages. I also noticed that > it happens for very slow and non-responsive named servers > (especially spammers if theirs a mail server involved) > I think increasing the time-out value for your named to be longer than that > of the forwarder would eliminate the messages if you are concerned. Thanks. How does one increase the time-out value? Don't tell me it's only possible by tweaking the source - there doesn't appear to be a config file option... > -- Ralf Durkee Dave -- ______________________ ______________________ \__________________ \ D. J. HAWKEY JR. / __________________/ \________________/\ hawkeyd@visi.com /\________________/ http://www.visi.com/~hawkeyd/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message