Portmaster is an application firewall that does the heavy lifting for you. Restore privacy and take back control over all your computer’s network activity.
Portmaster integrates into network stack using nfqueue on Linux.
This is free and open source software.
Features include:
- Monitor all network activity – discover everything that is happening on your computer. Expose every connection your applications make and detect evil ones. Finally get the power to act accordingly.
- Full control: block anything.
- Automatically block trackers and malware.
- Set global and per‑app settings – make your own rules. Completely cut off applications from the Internet. Or block all p2p connections except for certain apps. Or never connect to specific countries. Portmaster has you covered.
- Secure DNS (Doh/DoT):
- Define allowed network scopes: Localhost, LAN, Internet, P2P, Inbound.
- Easy rules based on internet entities: Domain, IP, country and more.
- Filter lists block common malware, ad, tracker domains etc.
- Cross-platform support – runs under Linux and Windows.
Website: github.com/safing/portmaster
Support:
Developer: Safing ICS Technologies GmbH
License: GNU General Public License v3.0
Portmaster is written in Go, C and TypeScript. Learn Go with our recommended free books and free tutorials. Learn C with our recommended free books and free tutorials. Learn TypeScript with our recommended free books and free tutorials.
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Hi. You need to amend the link to the Portmaster repository as it actually directs back to LinuxLinks.
Thank you.
Thanks Gio, the link had an erroneous space which I have removed.