Re: tcp vulnerability? haven't seen anything on it here...

From: Willy Tarreau
Date: Thu Apr 22 2004 - 08:27:08 EST

On Thu, Apr 22, 2004 at 07:35:54AM -0400, Richard B. Johnson wrote:

> Has anybody checked to see what Linux does if it receives a
> RST to the broadcast address? It would be a shame if all
> connections were dropped!

I don't see how this would be possible : a TCP packet is matched *only* if
it refers to a valid session. If you have no session established from/to the
broadcast address, there's no possibility that an RST targetted at this address
terminates anything, even if the ports are OK.


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