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Date:      Mon, 24 Jun 1996 08:25:32 +0200 (MET DST)
From:      guido@gvr.win.tue.nl (Guido van Rooij)
To:        jkh@time.cdrom.com (Jordan K. Hubbard)
Cc:        hackers@freebsd.org, security@freebsd.org, ache@freebsd.org
Subject:   Re: I need help on this one - please help me track this guy down!
Message-ID:  <199606240625.IAA11793@gvr.win.tue.nl>
In-Reply-To: <7979.835575935@time.cdrom.com> from "Jordan K. Hubbard" at "Jun 23, 96 05:25:35 pm"

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> A traceroute from wcarchive doesn't show me much, but if anybody can
> gleen some userful information out of it I'd appreciate it.
> 
> Thanks!
> 
>  5  Helsinki2.FI.EU.net (134.222.228.45)  555.687 ms  518.720 ms  507.602 ms
>  6  StPetersburg.RU.EU.net (134.222.23.2)  549.172 ms  592.407 ms  630.928 ms
>  7  spb-2-gw.spb.su (193.124.83.66)  547.190 ms  573.518 ms  569.656 ms
>  8  hqlgu-LE.pu.ru (193.124.255.134)  519.318 ms  657.805 ms  651.496 ms
>  9  slip-0.pu.ru (193.124.85.1)  840.489 ms  671.729 ms  650.750 ms
> 10  nat.pu.ru (193.124.85.134)  638.649 ms  653.720 ms  720.170 ms
> 11  gw.pu.ru (193.124.85.219)  752.144 ms  645.046 ms  641.413 ms
> 12  localhost (127.0.0.1)  670.113 ms  702.233 ms  695.733 ms
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Do you have anti-spoof filter rules in your backbone router? If not
install them. If so, please add packets coming in from localhost
to them. I don't know why he got in, but you can suspect rlogin plus
a localhost entry in host.equiv combined with source routed packets.
In general it is a bad idea to trust localhost, as this is a reletaive
ip address. Unless of course you either block packets coming from localhost
or block source routed packets.

-Guido



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