Full Disclosure mailing list archives

Re: reduction of brute force log


From: Martijn Lievaart <m () rtij nl>
Date: Sat, 11 Mar 2006 18:40:36 +0100

Gary E. Miller wrote:

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Yo Bob!

On Tue, 28 Feb 2006, Bob Radvanovsky wrote:

I am going to test these rules out -- this looks REALLy good!  But...I'v
e got just ONE question: why on Earth would you permit ICMP???

No ICMP means no P-MTU.  No P-MTU mean non-working tunnels.

You want to shoot yourself in the foot, tben go ahead and block ICMP.

All icmp messages related to pmtud are just that, RELATED. So they are allowed by a previous rule.

M4

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