Tuesday, 22 September 2026 @ 02:02 UTC~2214,580172,138

Portmaster

Safing ICS Technologies GmbH·Safing.Portmaster

Portmaster is a free and open-source application that puts you back in charge over all your computers network connections.

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.

winget install --id Safing.Portmaster --exact --source winget

Latest 2.2.3·August 21, 2026

Release Notes

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

Installer type: nullsoft

x64—E884F83D21BFF758C2F41701B8C6A22F33C8325D59CFE7E713BE6F5F532F8CB5

Details

Homepage
https://safing.io/
License
GPL-3.0
Publisher
Safing ICS Technologies GmbH
Support
https://safing.io/support/#portmaster
Privacy Policy
https://safing.io/privacy/
Moniker
portmaster

Tags

ad-blockeradministrationdnsfirewallfossinternetnetworknetwork-monitoropen-source

Older versions (10)

2.2.1
x64—721F066380B3F99C92E39B3286B9851C4D59119208F420B9998E7F70CBE70EC6
2.1.19
x64—0B227790294A499762305CB235067DC6793A829050AE4E7B0985CDD93835DDEB
2.1.18
x64—5EB191E4F81F419454C263F3E02822E9404D8582E0ABE986969E6353A0D3D1D1
2.1.7
x64—0F30CFA523810EB661D920B3D22D9EF8F471B372BFCF381FFA6854D1C321418D
2.0.25
x64—28EDD7E52DB783065269B250FF1901277EAE5C9770A1E8B7B6AA171F10586CE5
2.0.24
x64—AE02B695141FB2292250CA875860FEBB3268861AC94FAAC2EF8DD1F8BBD80BC0
1.6.5
x86—F43A3E6EEF805925D8C3D5BDBE6AA1848BB5B4D8FCA55C1E7E291E20C6A10C92
1.0.13.0
x86—F43A3E6EEF805925D8C3D5BDBE6AA1848BB5B4D8FCA55C1E7E291E20C6A10C92
1.0.0
x86—61CB59F25C4FCB130DF0E925F6A1DF21569379280C501DAB1754080A24260856
0.8.8.1
x64—B0C03A122B27165AF162A071E51D3997059083715CDB056DF62B68ACB88280B4