TCP RST attack (the cause of all that MD5-o-rama)

Simon Lockhart simon.lockhart at bbc.co.uk
Tue Apr 20 19:00:33 UTC 2004


On Tue Apr 20, 2004 at 02:54:16PM -0400, James wrote:
> now the question is... would this also affect single-hop bgp sessions?
> my understanding would be no, as single-hops require ttl set to 1.

All it requires is for the TTL to be 1 (or 0, I can't remember which)
when it's received. Just launch your packets with a TTL of the number of
hops between you and the victim, and that's that bit sorted...

Simon



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