Date: Thu, 24 Sep 1998 02:25:28 -0400 From: "Gary Palmer" <gpalmer@FreeBSD.ORG> To: Tom <tom@uniserve.com> Cc: Mark Murdock <fee@tetrahome.tetranet.net>, stable@FreeBSD.ORG Subject: Re: resolving ips? Message-ID: <5678.906618328@gjp.erols.com> In-Reply-To: Your message of "Wed, 23 Sep 1998 22:45:31 PDT." <Pine.BSF.3.96.980923224115.24669B-100000@shell.uniserve.ca>
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Tom wrote in message ID <Pine.BSF.3.96.980923224115.24669B-100000@shell.uniserve.ca>: > > On Wed, 23 Sep 1998, Mark Murdock wrote: > > > Yet another question for freebsd-stable network experts: > > > > When I try to telnet to an ip address, my system attempts to contact my > > name servers in my /etc/resolv.conf file. I was actually unable to telnet > > to an ip due to this when my ipfw configuration was blocking udp on 53. > > > > Why consult the resolver? Why not just make your connection based on the > > kernel routing tables? > > Routing tables and DNS are completely unrelated. Telnet wants to find > the name for the IP it is connecting to. The resolver will take a long > time if the listed DNS servers don't respond. It will eventually timeout > and give up, you just aren't patient enough. Perhaps he was referring to the fact that I think someone broke telnet to do reverse lookups when fed IP addresses, and that was recently fixed (I believe). You are right, that it would not cause the connection to fail, just take a really long time. But it was still damned annoying. Gary -- Gary Palmer FreeBSD Core Team Member FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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