[ale] hacker or bad karma

[Carl Forsell]

Thanks for the input...   I have never heard of "counting-to-infinity
distance-vector routing problem", but I will research it.

Thanks.

Carl
-----Original Message-----
From: Stuffed Crust <pizza at shaftnet.org>
To: ale at ale.org
To: Carl Forsell <cforsell at roman.net>
Cc: ale at ale.org <ale at ale.org>
Date: Friday, August 25, 2000 12:59 AM
Subject: Re: [ale] hacker or bad karma


>On Thu, Aug 24, 2000 at 10:26:55PM -0400, Carl Forsell wrote:
>> the route hit BellSouth (henceforth referred to as BS), come to us on one
>> T1, hit the router and go back to BS on the second T1, us,them,us,them
>> untill it died.  Outages last minutes to hours.  During an outage, the
lines
>
>Sounds like a classic counting-to-infinity distance-vector routing
>problem.
>
>> BS says it is our cisco 3640 that is causing the problem... I don't think
>> so.  We had a consultant snapshot all config files about 2 months ago,
then
>> redo it a few days ago.  The files had not changed.
>
>Now this sounds stupid, but what's the router plugged into?  This behaivor
>is consistent with a link on your side going down.
>
>Now you shouldn't be bouncing back and forth -- that _is_ definately a
>router configuration problem (you should never get a loop like that).
>
>Actually, it's possible that it is partially BS's problem -- they
>shouldn't be broadcasting the route to you back to you.
>
>> My question... Is it possible that a former employee (several left with a
>> grudge) could in some way screwup the DNS on our router in a way that
would
>> not show in the config files?  Are there any Linux eastereggs or bombs
that
>> could flood the routers tables with bogus data?  Any ideas???
>
>Has nothing to do with DNS.  Oh, make sure you aren't running RIP or gated
>on any of your linux/unix boxes unless they are actually running as
>routers.  They could be sending bogus routing info to your router, which
>could be causing your problems.
>
> - Pizza
>--
>Solomon Peachy                                        pizza at cc.gatech.edu
>I ain't broke, but I'm badly bent.                        +1(404)294-6978
>Patience comes to those who wait.                            ICQ #1318344
>    ...It's not "Beanbag Love", it's a "Transanimate Relationship"...
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