Portmaster is a free and open-source application that puts you back in charge over all your computer’s network connections.
Discover everything that is happening on your computer. Expose every connection your applications make and detect evil ones.
Many programs connect to the Internet without your knowledge. When you find unwanted connections, you can now simply block them.
Automatically block ads, trackers and malware hosts via trusted domain-lists, which are also used by Ad-Blockers, etc. Easily change the defaults to fit your needs.
Even with invasive connections gone, you do not want to share your dns requests out in the open. With the Portmaster, you can easily re-route all your dns queries to a DNS-over-TLS provider of your choice.
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