An Application firewall is a firewall in charge of the calls of an application or service. Based on a preset configuration policy, it allows or blocks out communications from an application. If you’re ...

Jack Wallen demonstrates how to open a port in Portmaster to allow secure shell traffic into a desktop computer. Portmaster isn’t just a cross-platform network monitor — it’s also a very powerful ...

Portmaster is a free and open source application firewall built to monitor and control network activity on Windows and Linux. The project is developed in the EU and is designed to give users stronger ...