Well, new Windows firewall was designed to not conflict with 3rd party firewalls. It’s not a surprise but, of course, it’s wellcoming 8)

On the Maxthon forum (link above) a lot of users say that in other browsers they can achieve the referrer protection without any problem. Maxthon (ex-MyIE2) does not have this feature yet.

It seems it’s not a ‘firewall’ issue but a ‘browser’ one :-[