It's also (I think) a good idea to stick all your bridges on a subnet that
you're not using to deliver to access to your clients/constituants. I
forget if the 340/350 also permit 'access list' style telnet proctection,
but if they do, you may want to experiment maintaining such a list ;)
On Wed, 19 Sep 2001, Ken wrote:
> Yes. We firewall all of our bridges to avoid this problem, so that only
> internal traffic can manage them.
> Code red or the new nimda worm can do this.
> It's documented somewhere on cisco's site.
> Ken A
> Fredrik Jensen wrote:
> > Just under 24 hours I had 2 bridges fall off the net, and some mc4800,
> > uc4800 falling off. Can this have something to do with the new worm that
> > is spreading ?
> > By looking in some logs, can I see 16 Console hits from the same IP, next
> > one ,, etc. This started yesterday, and today its fill up the log with
> > console attempts. But the importan thing I'm searching an answer for is,
> > can this be the reason for why some box'es just drops off the net? The
> > only thing that help is a power 'off - on' restart.
> > Does anyone know whats happning here?
> > Regards,
> > Fredrik Jensen
> > Netpower Int.
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