Portmaster is a free and open-source application firewall that does the heavy lifting for you. Restore privacy and take back control over all your computer's 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.
Protect your whole computer, not just your browser. Block all advertisements and trackers for every application. Easily add your own rules and block individual domains.
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.
What's new in 2.2.3
What's Changed
fix: Oversized DNS packets could kill the internal DNS listener by @stenya in #2227
fix: Multiple mDNS reliability and correctness issues by @stenya in #2229
fix: Internal service workers could silently stop recovering after a failure by @stenya in #2228
fix: Portmaster crash after the first restart on some systems by @stenya in #2191
fix: (Windows) Uninstall overwriting unrelated startup registry entries by @GCDBusiness in #2217
fix: (Windows) Logging regression that broke log output after service restart by @stenya in #2221
fix: (UI) Enter key accidentally triggering delete buttons in the profile editor by @stenya
improvement: Automatically repair corrupted intel/resource update artifacts by @floze-the-genius in #2196
improvement: Enable HTTP/2 for DNS-over-HTTPS resolvers by @stenya
improvement: Include block reason in denied DNS query logs by @stenya
improvement: (UI) Add fingerprint tooltip to app profile cards in "All Apps" view by @stenya in #2183
improvement: (UI) Add tooltips and group entries in the tools menu by @stenya
New Contributors
@GCDBusiness made their first contribution in #2217
@floze-the-genius made their first contribution in #2196
