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I have done some intense investigation and I believe that having two firewalls back to back would not be practical. Thanks for your interest Reason1000.

I have installed a pix 515 and would like to implement a second firewall as this is a high security site. I like smoothwall (gpl 0.99) a lot, (especially because it has snort built in) but I don't have an idea on how to implement it into the existing setup as I am already using nat on the...

HI OCTILLO, HI OCTILLO THANKS FOR COMING BACK TO ME. I STILL DIDN'T HAVE ANY JOY BUT I HAVE INSTALLED THE FIREWALL FEATURE SET ON THE ROUTER. I HAVE CONFIGURED IT TO USE CBAC DYNAMIC ACCESS LISTS AND IT'S WORKING LIKE A BOMB. THANKS FOR THE EFFORT ANYWAY GUYS, MUCH APPRECIATED!!

THANKS FOR THE RESPONSES I HAVE APPLIED THE FOLLOWING ACCESS LIST TO MY SERIAL INTERFACE:- access-list 100 permit tcp any any eq 80 established access-list 100 permit tcp any any eq 53 log access-list 100 permit udp any any eq 53 log access-list 100 permit tcp any any eq 25 log access-list...

HI MARSD EVEN IF I APPLY ONLY THE FOLLOWING I CANNOT BROWSE:- access-list 100 permit tcp any any eq 80 log access-list 100 permit tcp any any eq 53 log access-list 100 permit udp any any eq 53 log access-list 100 permit tcp any any eq 25 log access-list 100 permit tcp any any eq 110 log

AS SOON AS I APPLY THIS TO MY INCOMING SERIAL INTERFACE I CANNOT SURF THE INTERNET ANYMORE. CAN SOMEONE PLEASE HELP ME. ASSUMING THAT 197.20.115.137/29 IS MY PUBLIC ADDRESS ON MY ROUTER I HAVE APPLIED THIS ACCESS LIST TO ALL TRAFFIC COMING IN FROM THE INTERNET INTO MY SERIAL INTERFACE AT THIS...

Thanks a million for your replies, I managed to lay my hands on two 3600's and configured them the same as the two 1600's and find that it worked first time round. I'm sure it must have something to do with an image on one of the two 1600's, perhaps corruption or the likes.

I have two routers: Router A and Router B. I’m using BRI Isdn between them. I cannot use static routes for a number of reasons on the routers (as this forms part of a much larger WAN). I am required to use dynamic routing (rip or igrp) between them but I need to control the routing updates...

The version of the IOS is version 12.0

Can anyone advise me on what command/commands I would need to configure on my cisco router to get the following information of when last NVRAM was modified. #sh run Building configuration... Current configuration: ! ! Last configuration change at 12:17:25 UTC Thu Jul 13 2000 ! NVRAM config...

I have two routers using PPP multilink on a BRI line that I would like to restrict the bandwidth. What I would like to accomplish is to allow telnet access (port 23) top priority, Groupwise 7100 and 1677 ports virtually no bandwidth and the rest about a fourth of the bandwidth. I believe the...