Due to a very strict security policy, I'd like to restrict users of an internal network to *only* be able to access a limited number of web sites. Let's just say that the policy only allows users to visit CNN, ESPN, Microsoft, Apple, and MSNBC. Currently, there are no restrictions and the ASA is doing PAT on the outside interface.
Is there a way that I can restrict users to only access these sites (and no others) with the ASA by way of an ACL? I know this can be done on the Juniper Netscreen, but not sure with the ASA 5505.
WebSense and SmartFilter are not options, so URL Filtering is out of the question for us.
Thanks in advance.
(I've attached the current config in the event that review is required)