From owner-freebsd-questions Mon May 25 16:19:50 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id QAA00359 for freebsd-questions-outgoing; Mon, 25 May 1998 16:19:50 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from distance.net (fike@distance.net [209.142.224.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id QAA00349 for ; Mon, 25 May 1998 16:19:43 -0700 (PDT) (envelope-from fike@distance.net) Received: from localhost (fike@localhost) by distance.net (8.8.8/8.8.7) with SMTP id TAA00581; Mon, 25 May 1998 19:18:44 -0400 (EDT) (envelope-from fike@distance.net) Date: Mon, 25 May 1998 19:18:43 -0400 (EDT) From: Fike Force To: MP cc: freebsd-questions@FreeBSD.ORG Subject: Re: too many open files problem In-Reply-To: <3.0.1.32.19980517145521.0069e5b4@icorp.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG MP, The problem is that named is listening on all 400 address. There is an option that you can set to just listen on one ip address. I would suggest updating to bind 8.1.2-T3B -- if you do decide to update here is the syntax. - listen-op port 53 { 1.2.3.4; }; }; - RPD On Sun, 17 May 1998, MP wrote: > > Greetings, > > I'm running into a problem with FreeBSD 2.2.6. > > I have two Class C's on my network and recently a hacker tunnelled into the > backbone and masqueraded under an unused IP in my subnet to do spamming. > As a result, I opted to bind all my IP addresses - used or not, to one of > my servers. So I have about 400 or so IPs bound. When I boot FBSD 2.2.6, > everything works, but if I -HUP the nameserver, I get this in the messages > log: > > May 17 14:29:37 mysys named[1266]: starting. named 4.9.6-REL Wed Mar 25 > 00:29: > 44 GMT 1998 jkh@time.cdrom.com:/usr/obj/usr/src/usr.sbin/named > May 17 14:29:37 mysys named[1266]: fcntl(dfd, F_DUPFD, 20): Too many open > files > May 17 14:29:37 mysys last message repeated 15 times > > The hard limit on open files is set at 360 - this may be inadequate since I > may have up to 512 domains mapped to my server. I assume there is a > relationship between these two concepts. > > In scanning the archives on FreeBSD.org, none of the solutions worked for > me (regarding setting ulimit ...) - and I didn't try anything regarding > compiling the kernel - I'm using the generic compilation right now. > > What are my options? Do I need to tune the kernel to solve this problem? > > If so, would someone be so kind as to walk me through this process? > Initial examinations showed a value OPEN_MAX, but it simply referenced some > header file that I could not find on the system - I haven't done enough > research yet to figure out what to do. > > Any help would be GREATLY appreciated - please direct e-mail to: mp@icorp.net > > Thanks very much!! > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message