Dan you use DNS entries in Pix Access Control Lists?

Folks, hopefully this is an easy one.  
We have a Pix that we are trying to limit outside web browsing to a few web sites.  I can set up the ACL with no issues and it works with no complaints.  Then the web site address changed and no access to the web site.

Is there a way to list just the DNS name of the web site in the ACL and have the Pix box do the DNS resolution on it's own?  It would save a tremdous amount of  time instead of listing the IP addresses of the web sites (Yahoo Maps happens to be one of the sites we are constantly changing).

Sean_E_SmithAsked:
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grbladesConnect With a Mentor Commented:
No you cannot do that.

The PIX does support products like Websense which can be used to filter on a URL basis.

The way I do it is to force everyone to use a central proxy server and then only allow the proxy to access websites. You can then do all the URL filter on the proxy server.
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