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pix acl

Posted on 2004-10-12
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Last Modified: 2013-11-16
i would like an external dns server from communicate with a to a internal dns server. on th pix 6.2.2 what would i need to do?
access-list 110 permit tcp host realip host 172.16.1.34 eq 56

hat are some commands to see if acls are working
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Question by:cogit
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lrmoore earned 275 total points
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DNS does not use port 56, unless you have something special.

The syntax is:
  access-list 110 permit tcp host <external server ip> host <global IP> eq 53
  access-list 110 permit udp host <external server ip> host <global IP> eq 53

You would have to post your complete config for me to be more specific for you.

Any time you chang the acl, you have to re-apply it to the interface:
   access-group 110 in interface outside

To check it, use "show access-list" and look for (hitcount= )
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