TinyWall
A free, lightweight and non-intrusive firewall for Windows
TinyWall is a free, lightweight firewall for Windows that controls which applications can access the network without interrupting the user with popups. It uses a whitelist approach, so only approved programs are allowed to connect, while unwanted access is blocked automatically. The software does not install drivers or kernel components, and it includes tampering protection to prevent malicious programs from changing Windows Firewall settings.
Key capabilities include multiple ways to whitelist programs, an automatic learning mode, password lockdown of settings, Windows Store and UWP support, WSL and WSL 2 support, and whitelisting of processes from network shares. It offers quick modes such as standard, only-outgoing, and block all, along with temporary or timed rules, integrated port and domain blocklists, hosts file protection, boot-time filtering, port-scan prevention, and full IPv6 support. Users can view established and blocked connections and open ports, and restrict applications to specific directions, ports, protocols, or Windows services.
TinyWall is aimed at Windows users who want straightforward firewall control without constant prompts or complex configuration. It is packaged as free software with no ads, fees, or paid upgrades, and the pages do not describe separate editions, trials, or seat-based or usage-based pricing.
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