squid: Allow access to only one site and only via 80 or 443

Can someone please give me the conf file line to allow access to myexample.com and only that site, and only through http and https?

So far I have only that site accessible via http, but all https sites are opened.

Squid 3.1 on Cent 6

---------- Post updated at 12:06 PM ---------- Previous update was at 11:17 AM ----------

Please someone, this is urgent.