In this guide, we will learn: 9 Best Firewalls for Linux Distro in 2023 (Open Source) – guide 2023
Let’s go,
List of Best Open-Source Linux Firewalls in 2023
- Firewalld
- UFW
- Iptables
- pfSense
- IpCopFirewall
- Endian
- IPFire
- OPNSense
- Shorewall – Iptables Made Easy
1. Firewalld
This is a default Firewall management tool for RHEL, CanvO S, SUSE, and OpenSUSE. Firewalld is a popular firewall among Linux users and has dynamic support for networks. The interface of the Firewall is straightforward.
The main features of Firewalld include D-Bus API, IPV4, IPV6, bridge, and IPset support. Moreover, it allows configuring its setting using the firewall end terminal.
2. UFW
If you are a new user of Linux based Firewall, the UEF w will be a perfect option for you. The main features of UFW enclosed IPv6 support, status monitoring, etc. Additionally, it allows its user to add, remove or alter Firewall rules.
UFW also includes GUI and GUFW for Ubuntu and Debian users.
3. Iptables
Iptables is the most famous name in the Firewall domain. It is such a firewall that enables you to rearrange rulesets. Most advanced Linux admins trust this terminal-based Firewall for its efficiency and customization. But that doesn’t mean that novice users will not be able to use it.
Some of the unique features of Iptables include packet filter ruleset, implementation and inspection of a packet header for fast output, editable ruleset, etc. You can also use it for data backup and restoration.
4. pfSense
It is one of the most trusted open-source Firewalls based on the FreeBSD custom kernel. pfSense features a high-level packet filtering that gives complete security over networks. However, the most exciting aspect of the Firewall is that it is available in many formats, starting from hardware devices to downloadable editions.
A summary of the advanced feature offered by pfSense includes load-balancing for inbound and outbound traffics, compatible with DNS and DHCP server, etc. Apart from its free version, pfSense also comes in a premium version for commercial purposes.
5. IpCop Firewall
Another firewall that allows flexibility and scalability in the firewall ruleset is IpCop Firewall. It is almost identical to Iptables and can be used interchangeably, but the features in IpCop Firewall are much more advanced than Iptables.
The advanced features of this Firewall include a network-specific virtual machine, enhanced performance through maps and connotations, etc. IpCop Firewall Also features a unified and consistent Syntax to support the protocol.
6. Endian
Endian is a high-security firewall for complete network protection and packet inspection. The developers of Endian claim that the Firewall can convert a simple machine into robust security, spam alert, etc. As a result, users have also ensured network security, spam alert, etc. In addition, users have also provided web security through a URL blocklist.
Some of the best-in-class features of endian can be classified into real-time network monitoring, bidirectional network security, spam alert, etc.
7. IPFire
If you are looking for an easy-to-use firewall for small office or personal use, IPFire is a good option. The Firewall includes content filtering, multi-deployment facilitation, and a built-in intrusion detection system. Additionally, you can use it as a VPN gateway or proxy server.
Many Linux users trust the Firewall for its accessible and dynamic settings. Thus, IPFire is a perfect companion for providing network security.
8. OPNSense
It is another easy-to-use and easy to build Linux Firewall based on Hardened BSD. You will get most of the premium security features in OPNSense free of cost. Moreover, the Firewall gets weekly updates so that no deficiencies or loopholes are left behind.
Along with the general features, some additional features of offense include forward caching proxy, traffic shaping, intrusion detection, and VPN. The robust build and various features make it one of the most desirable firewalls for Linux users.
9. Shorewall – Iptables Made Easy
Free and open-source Linux firewall Shorewall or Shoreline is another popular and well-known firewall option. An iptables/ipchains Netfilter system integrated into the Linux kernel provides this firewall protection. IPV6 is also supported.
Shorewall is an alternative to Iptables if you have trouble establishing rules or using the Firewall. Various gateway, router, and firewall applications can be run on it.
Hopefully, you now have a better understanding of the significance of maintaining network security. With this Linux firewall, you can ensure your network will not be hacked. I hope this Linux firewall software list will help you get the best one.
Leave a Comment