Portmaster is a free, open source application firewall and HTTPS proxy for Windows that protects against malicious content getting to your computer. It blocks malware, ads, and trackers from making connections.
Protect your Windows computer from malicious content with Portmaster, a free, open source application firewall and HTTPS proxy that blocks malware, ads, and trackers.
What is Portmaster?
Portmaster is a free, open source application firewall and HTTPS proxy for Windows designed to protect your privacy and security when browsing the web. It functions like an antivirus for your internet connection by analyzing network traffic in real-time and blocking malicious content before it reaches your computer.
Some of the key features of Portmaster include:
Blocks ads, trackers and telemetrics that follow you around the web and collect sensitive personal data
Prevents connections to malicious sites and servers that spread malware
Encrypts your web traffic via HTTPS proxy to prevent man-in-the-middle attacks
Lightweight app with little impact on browsing speed
Easy to install and set up, no configuration required
Completely free and open source
By filtering incoming and outgoing connections, Portmaster gives you control over what data leaves your computer and who can access your online activity. It functions like a firewall designed specifically for web browsing. Portmaster is developed by Safing SPRL and available for Windows 7 and higher.
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