I think that it would be a good thing to include the option to add user-based rules to the firewall. It's like this:
At the moment, if we want to block an application from being executed, we can manually add it using the following steps: PC Security -> Quarantine -> (Detection Configuration) Configure.
However, we cannot (at the moment) do the same thing if we want to block an application's access to the Internet. We just can't manually block it from using the Internet BEFORE it is executed. In order to block an application, we would have to go the PC Security -> Firewall -> (Select) Warn if any process connects to the Internet unless explicitly allowed -> [Access the application] -> See it in the Firewall table (accessed from PC Security -> Firewall -> View Network Applications) -> Block that application -> Then revert the Firewall heuristics to their previous settings.
As you can see, the process is more complicated than it should be. I think that an "Add/Remove Rule" button should be added to the Firewall table (accessed from PC Security -> Firewall -> View Network Applications), so we could make a choice about a certain application before it is executed. Thus, there would be no need to fiddle with the Firewall heuristics every single time you want to block a certain something.
I also think it is worth mentioning that other vendors (that I shall not name) who offer similar overall protection solutions already have this feature included in their products.
In my opinion, this shouldn't be a complicated thing to do, because the code from the Detection Configuration table [PC Security -> Quarantine -> (Detection Configuration) Configure] could be reused to accomplish this.
Thank you for your time and please tell me your opinion about this.