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Free firewall is a full-featured professional firewall that protects against the threats of the Internet. Control every program on your computer by permit or deny access to the Internet. Free Firewall will notify you if applications want to access the Internet in the background, without your knowledge. In Paranoid mode, no software can access on the Internet or network, without your prior consent. You have full control over your system. Protection against external threats: Prevent the attacker to get access to your computer by exploiting security vulnerabilities. Protect yourself from a remote access and control of your system and access to your personal information. Protection against internal threats: Protect yourself, your privacy and your personal data, by preventing the intruded malware from access to the Internet. Prevent that viruses and worms spread on the network. Individually regulate the access to the network and Internet per application. Allow access to the Internet only those programs, you unconditionally trust. Access notification: If a non-regulated program wants to access the Internet, you will receive immediately a notification with which you can permit or block the Internet access. Paranoid Mode: Trust no one! In Paranoid mode, no software can access on the Internet or network, without your prior consent. Only applications which you trust get Internet access. Touch friendly: The user interface is optimized for touch sensitive devices. Thus you can operate the software on your desktop PC and laptop with the mouse as well as with the fingers on tablets and Ultrabooks. Prevent telemetry: Stop the download of telemetry data of the respective software manufacturer and and the Microsoft Server. The firewall blocks all background transmissions of telemetry data of the Windows operating system on the server in the Internet.