TinyWall is a free software to harden and control the advanced firewall built into Windows Vista and Windows 7. Features: Non-intrusive operationTinyWall lets you work while protecting you. No annoying popups and simple configuration. LightweightUsing the advanced Windows Firewall built into newer Windows versions, TinyWall´s performance impact is neglible. More than just a controllerPassword lock, firewall tinkering protection and built-in tight firewall rules make TinyWall secure. Safe operationNo drivers or kernel-components are installed, which keeps your system stable. ConvenientFirewall modes and lots of other convenience features make TinyWall extremely easy to use for anybody. No cost100% free, no ads, no artifical limitations, no upgrades.