Firewalls, connection blocking

HTTP-Tunnel technology allows users to perform various Internet tasks despite the restrictions imposed by firewalls. This is made possible by sending data through HTTP (port 80). Additionally, HTTP-Tunnel technology is very secure, making it indispensable for both average and business communications. (...) read more>>

ZoneAlarm is an Firewall available in two packages. First is free for individual and not-for-profit charitable entity use (excluding governmental entities and educational institutions), and second PRO for commercial use. (...) read more>>

This firewall automatically protects your PC from hackers and other malicious attacks. It includes full-ICS support, protocol driver-level protection and enhanced logging. (...) read more>>

This program protects your computer from hacker attacks and malicious programs. It offers low-level network packet filtering, application-level network event filtering and user-level process activity filtering. You define how your computer is connected to the local (...) read more>>

Comodo's free Firewall product offers a richer feature set and better protection than paid-for versions from the likes of Mcaffee or Zonealarm. Suitable for both home users and businesses alike, the firewall features both inbound and outbound packet filtering in combination with robust outbound application filtering at the network layer. The new-look interface facilitates quick and easy access to all major settings, including the powerful and highly configurable security rules interface. (...) read more>>

The Ashampoo FireWall makes it easy for anyone to set up an effective, free firewall. Its Configuration Assistant guides you through every step of the the setup process. Easy Mode makes using it a breeze. You dont need any special technical knowledge, and everything is explained clearly. (...) read more>>