Protect your Windows computer from malicious content with Portmaster, a free, open source application firewall and HTTPS proxy that blocks malware, ads, and trackers.
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:
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.
Here are some alternatives to Portmaster:
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