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Blocking hosts using a PIX501

Posted on 2006-11-01
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Last Modified: 2010-04-09
what command (if any) could I use to block ad hosts such as doubleclick.net and atdmt.com in my PIX 501. I have a whole list of hosts to block already.. I just wanted to get the correct command to do so.
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Question by:afsfire
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lrmoore earned 500 total points
ID: 17854532
You cannot block hosts by dns domain name, only by IP address. you would have to use nslookup to resolve doubleclick.net and atdmt.com to IP addresses, then create a blocking acl in the pix:

Name:    doubleclick.net
Address:  216.73.92.112

Name:    www.atdmt.com
Address:  12.130.62.126

access-list deny_outbound deny ip any host 216.73.92.112
access-list deny_outbound deny ip any host 12.130.62.126
access-list deny_outbound permit ip any any
access-group deny_outbound in interface inside
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