From owner-freebsd-questions Sun May 6 14:34: 8 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mail.freebsd-corp-net-guide.com (mail.freebsd-corp-net-guide.com [206.29.169.15]) by hub.freebsd.org (Postfix) with ESMTP id CAFD937B423 for ; Sun, 6 May 2001 14:34:02 -0700 (PDT) (envelope-from tedm@toybox.placo.com) Received: from tedm.placo.com (nat-rtr.freebsd-corp-net-guide.com [206.29.168.154]) by mail.freebsd-corp-net-guide.com (8.11.1/8.11.1) with SMTP id f46LXwk13270; Sun, 6 May 2001 14:33:58 -0700 (PDT) (envelope-from tedm@toybox.placo.com) From: "Ted Mittelstaedt" To: "Doug Wilson" , Subject: RE: Need snappy telnet service (revisited) Date: Sun, 6 May 2001 14:33:58 -0700 Message-ID: <000f01c0d674$4248edc0$1401a8c0@tedm.placo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook 8.5, Build 4.71.2173.0 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3155.0 In-Reply-To: Importance: Normal Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Well, you could simply remove /etc/resolv.conf and that would fix it - since the FreeBSD box wouldn't be able to find a DNS server to query it would return right away and you wouldn't have to worry about it. Of course, all your apps that needed DNS would be hosed. You could also try running telnetd with -u 0 option and see if this disables the gethostbyaddr() function call. I doubt it, though. But the best way to handle this is to make reverse entries in the DNS for the hosts telnetting in. For example dhcp1.hotmail.com, dhcp2.hotmail.com, dhcp3.hotmail.com etc. etc. If you can't do that, then build a table of IP numbers and names in your /etc/hosts table for the hosts telnetting in. Ted Mittelstaedt tedm@toybox.placo.com Author of: The FreeBSD Corporate Networker's Guide Book website: http://www.freebsd-corp-net-guide.com >-----Original Message----- >From: owner-freebsd-questions@FreeBSD.ORG >[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Doug Wilson >Sent: Sunday, May 06, 2001 1:56 PM >To: freebsd-questions@FreeBSD.ORG >Subject: Need snappy telnet service (revisited) > > >Hi list, > >I am now ready to work out my sssslllllooooowwwwwwww ftp, mail, telnet >login. It takes about 90 seconds--very annoying. > >The 1st time I brought it up, the list suggested that this is caused by >reverse dns. I would like to turn off this feature cuz it makes >this server >useless. > >The server is in dns, but the machines that connect to it are not--nor will >they ever be--they are dhcp assigned ips. > >I need to turn off this reverse dns crap globally, but maybe I have to set >that manually for each service--I'm not sure. > >Thanks for any help in this matter. > >Doug. > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message