Best Linux Firewalls

About network security, the best Linux firewalls are all about. If someone gets into your network without your permission, they can see what you do on the internet and maybe even take over your devices or, worse, your virtual identity.

The best Linux firewalls make managing firewall security on Linux computers and IT networks simple and easy. A dedicated firewall stands between the internet and your internal network and cleans all traffic before it gets there. Having a firewall to protect against unauthorised access is a basic part of cybersecurity. Every IT system needs to be safe. Cyberattacks can be aimed at online servers just like they can be aimed at home computers.

You’ll need a way to keep hackers and other people who shouldn’t be there out. When this happens, firewalls help. What is the best Linux firewalls, in a few words? It separates a computer from the “outside world.” A firewall is a piece of software or hardware that keeps people who shouldn’t be on a network from getting on. It uses a set of rules to look at incoming and outgoing traffic to find and stop threats.

Over 75% of the world’s servers are run by Linux, so these solutions are important for keeping users and end consumers safe. Let’s start by explaining what Linux is so we can better understand how a Linux firewall works. The most popular and well-known open-source operating system is Linux. Linux is an operating system that is at the bottom of a computer. It takes requests from other program and sends them to the hardware. Below we have mentioned some of the best Linux firewalls.

7 Best Linux Firewalls


best Linux firewalls

Iptables is a firewall that comes with best Linux firewalls. It is not the most feature-rich firewall out there, but it is a safe one. Iptables doesn’t have a user interface because it is a command line tool. You have to learn the commands in order to set it up, so it’s not the easiest thing to use. But there are graphical user interfaces (GUIs) that work with iptables to make it easier to use, like Ubuntu’s “Uncomplicated Firewall.” Iptables is easy to understand because all it does is look at the packets and see if any of the rules match.

If it doesn’t find any, it just does what it does by default. Iptables is just “good enough” as a firewall. If you want a firewall with lots of features and bells and whistles, this is not it. But Iptables will work fine if you want something simple that you can set up and then forget about. If you like this app you can get it from official website.


best Linux firewalls

Zenarmor, which used to be called Sensei, is a plugin that makes an best Linux firewalls into a Next-Generation Firewall. It is easy to install. Zenarmor gives open-source firewalls like OPNsense and pfSense software access to cutting-edge, next-generation firewall features that they don’t have yet. Zenarmor Release 1.8 has worked with pfSense.

The pfSense operating system is based on the FreeBSD system. In this case, you can use the Zenarmor FreeBSD 12 package for the 2.5.x release series of the pfSense software. Zenarmor is a strong and affordable firewall with features like Application Control, Network Analytics, and TLS Inspection, among others.


best Linux firewalls

IPFire is an best Linux firewalls that is free, safe, and easy to use. It is not just a piece of software; it is the whole operating system. At first, it was shared as a branch off of the IPCop project. It has now turned into its own operating system, which is based on Linux From Scratch (LFS). IPFire has a simple design and an easy-to-understand color-coded user interface. Beginners will find it very easy to find their way around the system and set it up the way they want.

IPFire has firewall features, but it also has other ways to find and stop intrusions, and it can also be used as a VPN. IPFire is a good choice if you are on a tight budget and need a dedicated, light-weight firewall with a lot of features.


best Linux firewalls

OPNSense is a combination of two open source projects that have been around for a long time: pfSense and m0n0wall. Instead of Linux, OPNsense is powered by HardenedBSD, which is a version of FreeBSD that was made with security in mind. The firewall distro is made to be a firewall and routing platform. It can be used to filter traffic, show a captive portal, shape traffic, find and stop intrusions, set up a Virtual Private Network (VPN), and do a lot more.

In order to deal with threats as soon as possible, the firewall distribution offers security updates every week. One of the best things about OPNsense is that it lets you access all of its features through a web-based interface that is easy to use and comes in different languages. For now, this is the best Linux firewalls you can download.

Endian Firewall Community

best Linux firewalls

Endian Firewall Community (EFW) is Linux-based security software for the home that can turn any underused hardware device into a fully functional Unified Threat Management (UTM) system. The goal of making Endian Community was to make security easy and help protect home networks by using open-source software.

A Strong Defense: Protect your network from the dangers of the Internet while still letting the right people access internal and external resources. VPN (SSL & IPSec): With our easy-to-use and safe VPN connection, you can give your staff access from anywhere and connect multiple offices. Security for Email: You should get rid of spam, phishing, and other dangerous emails from your network. Protect your business from all the risks that come with email today. Currently, this is the best Linux firewalls you can check now.


best Linux firewalls

Like UFW, Shorewall is a firewall interface that uses the Netfilter framework to watch and filter network traffic. It’s free to use and has an open source. Shorewall doesn’t need dedicated hardware or virtualized containers to work, unlike the other firewall solutions. This is one of the best Linux firewalls.

You can just download the software package, install it, and use it. Even though Shorewall is a very simple piece of software, don’t underestimate what it can do. It is very flexible and can quickly adapt to network environments that change quickly.


best Linux firewalls

pfSense says that it is the best Linux firewalls. pfSense is the original firewall distribution based on FreeBSD, and it has a lot in common with OPNsense. For example, it is a powerful and flexible firewalling and routing platform, and it also has a long list of features that are related to that. First of all, pfSense can be used in the same way as OPNsense to set up an intrusion prevention system and allow VPN access.

Also, like its competitors, pfSense has an easy-to-use web interface that lets you control everything about it. But unlike most of its competitors, pfSense can be used as a hardware device, a virtual appliance, or a community edition that you can download.


The best Linux firewalls about network security. If someone breaks into your network without your permission, they can watch what you do on the internet and maybe even take over your devices or, worse, your virtual identity. It might seem like securing your network is a hard job that requires a lot of technical know-how, but in reality, all you need is good digital hygiene and a few important settings for how you connect to the internet. Find out more about how to make your home network safe.

Editorial Staff
Editorial Staff
The Bollyinside editorial staff is made up of tech experts with more than 10 years of experience Led by Sumit Chauhan. We started in 2014 and now Bollyinside is a leading tech resource, offering everything from product reviews and tech guides to marketing tips. Think of us as your go-to tech encyclopedia!


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