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Re: New IIS worm

Karl E. Jorgensen <karl@jorgensen.com> wrote:
> Doesn't this leave you open to DOS attacks? I'm thinking that source IP
> addresses are relatively easy to forge, and hence an attacher can forge
> a nimda attach and cause you to block off legitimate IP addresses -
> ie. your DNS server our default gateway...

To forge a Nimda attack would require you to forge a TCP connection. That's
not easy, unless the attacker is on the network path to the forged address.
Sam Couter          |   Internet Engineer   |   http://www.topic.com.au/
sam@topic.com.au    |   tSA Consulting      |
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