From owner-freebsd-stable  Tue Apr  3  6:56: 1 2001
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Date: Tue, 3 Apr 2001 09:55:53 -0400 (EDT)
From: Kenneth W Cochran <kwc@world.std.com>
Message-Id: <200104031355.JAA15831@world.std.com>
To: Dan Larsson <dl@tyfon.net>
Subject: Re: Strange localhost NS look attempts
Cc: freebsd-stable@freebsd.org
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>From dl@tyfon.net  Tue Apr  3 09:44:54 2001
>Date: Tue, 3 Apr 2001 15:44:40 +0200 (CEST)
>From: Dan Larsson <dl@tyfon.net>
>To: Kenneth W Cochran <kwc@world.std.com>
>Cc: <freebsd-stable@freebsd.org>
>Subject: Re: Strange localhost NS look attempts
>
>On Tue, 3 Apr 2001, Kenneth W Cochran wrote:
>
>| Hello -stable:
>|
>| Can someone tell me why I keep getting log-messages like this?
>| It sometimes seems to "break" Netscape (waiting trying to
>| resolve localhost).  I'm using a "dummy" hostname of
>| "myname.my.domain."  This has been happening for *months* with
>| no (or not much?) ill-effect, but I would like to clean that
>| up if possible & there must be something I'm not quite getting
>| right for config...  What is happening here? It appears that
>| I am rejecting a UDP DNS query from "myself." (?) What
>| might/would be a Good & Proper Way To Fix This?
>|
>| Oh, I'm running 4.3-RC as of (cvsupped/built) 1 April 2001.
>| Other information on request I guess... <shrug>
>|
>| Many thanks,
>
>As it looks you have turned on LOG_IN_VAIN, check if either of these are
>set:
>
>  sysctl net.inet.udp.log_in_vain
>  sysctl net.inet.tcp.log_in_vain
>
>and your /etc/rc.conf /etc/defaults/rc.conf for
>
>  log_in_vain="YES"

Well, yes, of course. :)  I do indeed have log_in_vain set,
& don't plan to turn that off... :)
So, why should that be an invalid connection attempt?
Looks to me like localhost should always be allowed to
connect to itself... (?)

Thanks,

-kc

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