I'm using Windows 7 Ultimate 64bit with its firewall.
The firewall's advanced rules all of a sudden don't work anymore. The firewall works, because if I disable it and do a port test the ports are closed and not stealth.
If I tell the firewall to block all incoming connections it does, and Windows says the firewall is working.
But all rules, old and new, regarding a particular application, don't work anymore. If I tell the firewall to block incoming connections on a particular executable with tcp ports, for instance, it doesn't anymore. Until yesterday it did.
Is there some service closely related to the firewall, maybe something a software has disabled?