The following list of operating systems is dedicated to the most popular operating systems from the Linux, BSD, Solaris, AROS, DOS family and other independent ones that offer a personalized, ready-to-use system with a firewall function. The list includes systems that caught your attention the most on the Linuxiarze.pl portal, from the beginning of January to the end of September 2024.

The list takes into account the views of the distribution pages, downloads and comments.

The ranking below also includes projects that are not being developed, but still arouse the interest of our users.

1. Alpine Linux

Alpine Linux is an independent distribution of the Linux system designed to support routers, VoIP telephony gateways and network firewalls. It is intended for use in embedded devices.
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2. IPFire

IPFire is an independent Linux distribution that provides ready-to-use firewall software. The system is based on Linux From Scratch, but was created as a fork of the IPCop distribution.

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3. VyOS

VyOS is a specialized Linux distribution built on Debian from the stable branch.
VyOS is a community fork of Vyatta, the development of which was discontinued in 2013.
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4. ClearOS

ClearOS (previously named: ClarkConnect) is a Linux distribution based on CentOS and Red Hat Enterprise Linux. It is intended for use in small and medium-sized companies as a network access gateway and a server equipped with a web interface.
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5. Zeroshell

Zeroshell is a small, independently developed Linux distribution, intended for servers and embedded devices. The main task of the project (and distribution) is to provide network services.
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6. DynFi Firewall

DynFi Firewall is a ready-to-use firewall based on FreeBSD. The project provides tools for VPN, IDS, proxy, antivirus and packet filtering. Support is available in several languages, including French, English and German. DynFi is designed to be deployed on both physical hardware and virtual environments.
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7. OPNsense

OPNsense is a specialized distribution based on FreeBSD, designed to work as a firewall. OPNsense is a fork of the pfSense distribution, developed by the Dutch company Deciso B.V.
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8. pfSense

pfSense is a FreeBSD distribution that provides a ready-to-use firewall. pfSense was created in 2004 as a fork of mOnOwall and the project was founded by Chris Buechler and Scott Ullrich.
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9. IPCop Firewall

IPCop Firewall is an independent Linux distribution designed to work as a firewall. Originally, IPCop was a fork of SmoothWall Linux, but the project is now being developed independently.
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10. NethSecurity

NethSecurity is an open-source Linux distribution based on NethServer, which is built on CentOS packages and is intended for server machines as a packet filter (firewall).
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Full list of operating systems with a built-in firewall can be found at: https://linuxiarze.pl/dystrybucje-firewall/

Ten post jest również dostępny w języku polskim: https://linuxiarze.pl/top-10-systemy-operacyjne-firewall-2024/