Re: either lynx or leafnode makes a strange DNS request
On Mon, Sep 16, 2002 at 02:45:29PM -0700, nate wrote:
> Frank Gevaerts said:
> > Hello,
> >
> > I have installed leafnode on my system, and I use lynx to read news.
> > Whenever lynx connects to the newsserver (on localhost), an outgoing DNS
> > request is sent to lookup '239.159.129.38.in-addr.arpa', which gets a
> > negative reply from the upstream DNS server.
> >
> > AFAIK this is IP 38.129.159.239.
> >
> > Does anybody know why this DNS request is sent ? It is annoying, since it
> > makes my ISDN router setup a connection.
>
>
> you could run strace on the process(s) to find which one is doing it,
> it may give some insight on why it is sending the request. looks like
> the IP belongs to PSINet, is any of your news stuff using PSINet ?
I tried strace, and some other stuff. I found that leafnode calls
gethostbyaddr() with a garbage address when compiled with IPV6 (the
default on debian) on my system. Apparently the garbage looks like a
PSINet address.
I recompiled with IPV6 disabled, and it behaves correctly now. I think
I'll submit a bug report tomorrow.
Thanks,
Frank
> strace can produce very verbose information which may be hard to decypher,
> so I reccomend redirecting output, e.g.:
>
> strace -p <PID> >&strace1.log
>
> nate
>
>
>
>
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