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Re: Fw rule set question
From: "Ivan ." <ivanhec () gmail com>
Date: Wed, 1 Aug 2007 11:12:17 +1000

there  are useful ICMP types, depends on your network

http://www.samag.com/documents/s=9365/sam0004i/0004i.htm
http://www.cymru.com/Documents/icmp-messages.html

cheers
Ivan

On 7/31/07, Juan B <juanbabi () yahoo com> wrote:
hi,

I am evaluating a Fw rule set.

I see that source quench,icmp unreacheble and time
execeeded (all icmp) is allowed from the internet to
the internal network. this is a cisco pix. is it a
requirmnet that those rules will be opened? what
happened if I disbale them? is there a security risk
here? I dont rememmber seeing those rules opened in
any fw I saw..

thanks a lot !

Juan



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