A web application firewall (WAF) is a firewall that is meant to protect web applications against common web-based threats. A WAF monitors, filters and blocks Hypertext Transfer Protocol (HTTP) traffic ...

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 ...

The Windows firewall is a fine place to start, but there are better options.

Firewalls have significantly improved the overall security posture of organizations since they first came on the scene back in the late 1980s. Like everything else, though, firewalls have evolved.

Open-source cybersecurity tools provide transparency and flexibility, allowing users to examine and customize the source code to fit specific security needs. These tools make cybersecurity accessible ...