Portmaster is an open-source desktop firewall and privacy tool for controlling application network access. It adds per-app filtering, DNS protection, and privacy-focused...
Pros
- More privacy controls than Ashampoo FireWall
- Open-source core with per-application policies
- Includes encrypted DNS and tracker-blocking features
Cons
- More complex than a basic legacy firewall
- Some privacy features require the paid SPN service
- Can interfere with applications that rely on unusual network behavior
Free, optional SPN from β¬9.90/mo