[unisog] Port 0

Clark Gaylord cgaylord at cns.vt.edu
Thu Oct 27 22:23:19 GMT 2005

Michael Holstein wrote:

>>And it wouldn't be a good thing to simply block all ICMP packets.
>No ... you'll break path MTU discovery. But you can block most of the 
>other ICMP message types without problem.

Of course, you can let them all through and not hurt anything too...

[see previous post for cardinal rule]

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