![]() ![]() Upon installation, you’ll be prompted to configure the software, so that it can download the various lists that contain the IP addresses of known adware vendors, spyware peddlers, government agencies, or anti-p2p organizations. You can use many of the free publicly available lists from I-Blocklist, or even create your own IP blacklist that can then be used to block traffic. ![]() ![]() The program blocks both outgoing and incoming connections, but users have the ultimate say in which IP ranges are blocked and which ones are not. PeerBlock is a firewall program that works by blocking traffic to and from pre-designated IP addresses. Best Free Firewall for File Sharers – PeerBlock The program also offers sandbox protection, an ad-blocker as well as custom DNS servers.Ĭomodo Firewall is, quite possibly, the best, most full-featured free firewall you can use today on your PC, but just make sure to choose the ‘manual install’ option rather than the default installation, so as to prevent installing all the extra software that comes with the program.ĭownload (Free, Premium plans start from $39.99)ģ. Comodo also allows users a great degree of control over which programs can and cannot access the internet, and comes with a “memory firewall” feature that seeks to protect against buffer overflow attacks. The software comes with ‘Defense+’ active monitoring, which is Comodo-speak for HIPS protection. However, if you want a full-featured firewall complete with HIPS protection for free, Comodo Firewall is the option you need to consider. ZoneAlarm is really good at what it does, and has been so for decades now. Best Free Firewall with HIPS Protection – Comodo The program has also traditionally had occasional conflicts with some 3rd-party antivirus programs, but works fine with Windows Defender.ĭownload (Free, Premium plans start from $24.99)Ģ. First off, the company has been slowly stripping away some of the best features of the program from the free version, which doesn’t come with HIPS (Host Intrusion Prevention system) protection anymore. However, as with most good things in life, ZoneAlarm is also not without its issues. All in all, it is one of the most comprehensive and customizable 3rd-party firewall programs you can install on your PC. Latest versions of the software can also connect with DefenseNet to get real-time security updates about new threats. The free version comes with the ability to hide open ports and also identify and isolate suspicious traffic. ZoneAlarm is one of the oldest and best-known firewall programs on Windows, and comes in two different avatars – a free version that offers most of the basic features you’d expect from a modern firewall and a paid version that offers more bells and whistles. For the purpose of this article, we’ll restrict ourselves to knowing about the best free software firewalls that you can install on your Windows computers: 1. While the latter are often more proficient in blocking intrusion attempts, they are also much more expensive and infinitely more complicated than software firewalls that are often available for free. Such technology can come either in the form of a software package that can be installed on personal computation devices, or as Hardware-based firewalls that typically run on dedicated systems to protect entire networks from hackers. What is a Firewall and Why do we Need One?Ī firewall is a network security system that monitors the incoming and outgoing traffic to and from device(s) connected to a network (typically, the internet), and serves as an intrusion and extrusion detection mechanism to prevent attacks. In the following article, we’ll take a look at some of the best free firewall software you can install on your Windows PCs right now, but before that, let’s just take a look at what firewalls really are and why we need to take them more seriously than we generally do. ![]()
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