Installing a software firewall on your computer is an additional step that you can take to really lockdown and monitor your incoming and outgoing connections. This can help to further protect your computer from an incoming attack as well as help you to identify any rogue programs that are trying to gain access to the Internet.
Comodo Firewall is your first layer of defense against viruses, worms, trojans, hackers and all Internet threats. Comodo Firewall uses default deny protection to prevent threats from occurring, rather than just detecting them when it's already too late. Whenever an unknown piece of software is introduced to your system, Comodo Firewall cross-references it with a white-list of over 15 million trusted files and applications.
The software also boasts a powerful packet filtering firewall that helps you securely connect to the internet while blocking hackers from making incoming connections. It's easy to use and features an attractive interface that lets even beginners change settings to their liking. Comodo Firewall comes with automatic updates and is winner of the prestigious Editor's Choice award from PCMag.com.
ZoneAlarm Firewall blocks intruders and makes you invisible to hackers; stops attacks that antivirus and your default Windows security misses; blocks new viruses from sending your data (like passwords or social security numbers) to hackers; detects spoofed programs; stops hacking disguised as harmless network transmissions; works seamlessly with antivirus programs; works automatically--no expertise required; includes security for safer Web browsing.
Outpost Firewall is a powerful product to keep your PC's network and Internet connections secure and deliver strong proactive defense against hackers, spyware, Trojans, botnets, keyloggers, ID theft and other threats. The integrated anti-spyware module combats spyware and adware. The on-demand scanner lets you scan custom locations, while the real-time monitor is constantly on guard against spyware activation.
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. Even with its additional security tools, Ashampoo Firewall is a tiny program that uses very little memory and computer resources. You get heavy-duty protection without a heavyweight load on your system.
PeerBlock lets you control who your computer "talks to" on the Internet. By selecting appropriate lists of "known bad" computers, you can block communication with advertising or spyware oriented servers, computers monitoring your p2p activities, computers which have been "hacked", even entire countries. They can't get in to your computer, and your computer won't try to send them anything either.