Portmaster is an excellent application firewall.
It allows you to analyze and control the network activity of individual applications. You can also see which IP addresses data is traveling to and from, allowing you to detect any services that are siphoning your data.
It does the heavy lifting for you. Restore privacy and take back control over all your computer's network activity.
With Portmaster's great defaults your privacy improves without any effort. And if you want to configure and control everything down to the last detail - Portmaster has you covered too.
• 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.
• Auto-block Trackers system-wide
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.
• 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.
Release NotesChanges inv1.1.0: some improvements.
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