Date: Wed, 28 Feb 2001 10:00:14 -0500 From: "Joseph T. Klein" <jtk@titania.net> To: "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org> Subject: Re: Curious delay in telnet Message-ID: <3A9D127E.3050104@titania.net> References: <01C0A18C.DF404B40.thomas.uhrfelt@plymovent.se>
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Populate your local DNS with xxx.168.192.in-addr.arpa and xx.168.192.in-addr.arpa PTR records. Thomas Uhrfelt wrote: > Simple solution? > > I have 2 192.168.x.y networks connected via pipsecd. All users are using > DHCP. How do I go about implementing a simple solution for this? (ie. when > telnetting from the 192.168.xxx.y network to the 192.168.xx.y network) I > hate these timeouts... telnetd should have an option to turn this off.. > > Thomas > > -----Original Message----- > From: Joseph T. Klein [SMTP:jtk@titania.net] > Sent: Tuesday, February 27, 2001 11:05 PM > Cc: freebsd-stable@FreeBSD.ORG > Subject: Re: Curious delay in telnet > > If you do not have proper reverse DNS resolution the daemon > pauses while waiting for the DNS to time out. This affects any > service that attempts to resolve the IP address using DNS. > > This is an incredibly common problem with a very simple > solution. > > Tyler McGeorge wrote: > > >> This problem, and a similar acting problem with FTPd, >> used to plague me. I found that after I setup my BIND >> name daemon, this issue was resolved. If you don't >> really have a need for a BIND name daemon, I would >> suggest setting it up with just your 127.0.0 network >> and your ISP network and set the pointers. You could >> also contact your ISP and offer to be a backup name >> server, this would solve your problem, it shouldn't >> cause them any problems, and you would also have >> faster lookups for any data on your ISP's nameserver. >> This is just a suggestion. I set up my DNS with a free >> domain name from yi.org, where you can get >> <something>.yi.org for free. There are many services >> like this and it doesn't hurt. When I remote admin, I >> don't have to type in the cumbersome IP address, I >> just type in the domain. This is another idea. >> >> My FTPd problem also disappeared at the same time >> after I set up my BIND name daemon. >> --- David Malone <dwmalone@maths.tcd.ie> wrote: >> >> >>> On Tue, Feb 27, 2001 at 10:13:03AM -0700, Nate >>> Williams wrote: >>> >>> >>>>> When I first telnet from my FB4.1 system to my >>>> >>> FB4.1 system, it prints: >>> >>> >>>>> Trying 192.168.168.42... >>>>> Connected to fb42. >>>>> Escape character is '^]'. >>>>> >>>>> It then waits quite a long while (about a >>>> >>> minute) before printing: >>> >>> >>>>> FreeBSD/i386 (fb42.cfcl.com) (ttyp0) >>>>> >>>>> login: >>>> >>>> Try: >>>> >>>> 'telnet -N 192.168.168.42' >>>> >>>> -N Prevents IP address to name lookup >>> >>> when destination host is given >>> >>> >>>> as an IP address. >>>> >>>> If it comes up very quickly, it's a DNS/lookup >>> >>> issue. >>> >>> I don't think that will help 'cos the delay looks >>> like it is with >>> the telnetd at the far end trying to look up the >>> name, not the >>> local telnet. Unfortunately telnetd doesn't seem to >>> have an option >>> corrisponding to -N. >>> >>> David. >>> >>> To Unsubscribe: send mail to majordomo@FreeBSD.org >>> with "unsubscribe freebsd-stable" in the body of the >>> message >>> >>> >>> >> >> >> >> __________________________________________________ >> Do You Yahoo!? >> Get email at your own domain with Yahoo! Mail. >> http://personal.mail.yahoo.com/ >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org >> with "unsubscribe freebsd-stable" in the body of the message > > > > -- > Joseph T. Klein +1 414 915 7489 > Senior Network Engineer jtk@titania.net > Adelphia Business Solutions joseph.klein@adelphiacom.com > > "... the true value of the Internet is its connectedness ..." > -- John W. Stewart III > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message -- Joseph T. Klein +1 414 915 7489 Senior Network Engineer jtk@titania.net Adelphia Business Solutions joseph.klein@adelphiacom.com "... the true value of the Internet is its connectedness ..." -- John W. Stewart III To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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