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Re: Protecting PIX Firewall at the Perimeter Router
From: William Kupersanin <kuper () glue umd edu>
Date: Wed, 6 Nov 2002 12:56:42 -0500 (EST)


How about blocking packets with a source address of the internal networks
and rfc1918 networks coming in on the serial interface and vice versa on
the ethernet interface.


-- Willie


On Mon, 4 Nov 2002, Naman Latif wrote:

Hi All,

I wanted some suggestions\practical experiences for protecting a
Firewall wall at the Perimeter Router Level.

We have a PIX Firewall connected to our Cisco Router, which is connected
to the Internet. Should there be any IOS Firewall Rules in the Router,
other than blocking Telnet,FTP etc to the Firewall itself ?

PIX will be doing NAT, protecting DMZ machines, and IPSec connections.

Regards \\ Naman



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