Once it's running, you can choose light protection, make the firewall block any attempts to connect to your computer, or disable the firewall to do whatever you need to do.
Besides this, the program has a white list that detects all the programs connected to the Internet on your computer, allowing you to make exceptions. TinyWall is a very good firewall. Its main advantages are its extreme lightness and ease of use. It's also very effective, and with it, you can control everything.