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RE: blacklist user beware
> -----Original Message-----
> From: Matti Aarnio [mailto:mea@nic.funet.fi]
> Sent: Lunes, 05 de Agosto de 2002 13:39
> To: Roy Bixler
> Cc:
> Subject: Re: blacklist user beware
>
>
> On Mon, Aug 05, 2002 at 10:32:25AM -0500, Roy Bixler wrote:
> > This weekend when setting up Z-Mailer on a new NetBSD
> installation, I
> > discovered an interesting little catch. I use the ORDB list of open
> ...
> > It turns out that, instead of the usual DNS requests of the form
> > d.c.b.a.relays.ordb.org, the SMTP server was actually requesting
> > d.c.b.a.relays.ordb.org.org. Whoever is in charge of the org.org
>
> What might be in your /etc/resolv.conf file ?
> Specifically if you have a "search" line(s) there ?
It ain't HIS /etc/resolv.conf... it's an awfull wildcard configuration in
the org.org. domain...
Check this out:
$ host -t ns org.org.
org.org. name server ns.soma.net.
org.org. name server ns.prichard.net.
$ host anything.org.org. ns.soma.net.
Using domain server:
Name: ns.soma.net.
Address: 64.246.32.29#53
Aliases:
anything.org.org. has address 127.0.0.1
$ host any_thing=really/F*ck\'d\!.org.org. ns.soma.net.
Using domain server:
Name: ns.soma.net.
Address: 64.246.32.29#53
Aliases:
any_thing=really/F*ck'd!.org.org. has address 127.0.0.1
>
> My resolver has never (to my knowledge) done any such traversals,
> but one never knows..
>
> > In hopes this might save someone some trouble-ly yours,
> > R.
>
> --
> /Matti Aarnio <mea@nic.funet.fi>
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--
Mariano Absatz
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