Block all Website Except for Google and Yahoo
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Hello there guys.. im tryin to create a rule to my pfsense to block all websites except for google and yahoo.. very much appreciated your help.
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Don't do it via firewall rule, do it via squid & squidguard. Firewall rules only understand IP addresses, and coming up with a definitive list of all IPs used by Google and Yahoo (without breaking other stuff) is very difficult. Squid and squidguard work on URLs.