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OpenBSD

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pfSense

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OpenBSD vs pfSense: What are the differences?

What is OpenBSD? Only two remote holes in the default install, in a heck of a long time!. It is a free and secure UNIX-like operating system that emphasizes portability, standardization, correctness, proactive security & integrated cryptography.

What is pfSense? An open source firewall/router computer software distribution. It is an open source firewall/router computer software distribution based on FreeBSD. It is installed on a physical computer or a virtual machine to make a dedicated firewall/router for a network.

OpenBSD belongs to "Operating Systems" category of the tech stack, while pfSense can be primarily classified under "Security".

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What is OpenBSD?

It is a free and secure UNIX-like operating system that emphasizes portability, standardization, correctness, proactive security & integrated cryptography.

What is pfSense?

It is an open source firewall/router computer software distribution based on FreeBSD. It is installed on a physical computer or a virtual machine to make a dedicated firewall/router for a network.

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What are some alternatives to OpenBSD and pfSense?
FreeBSD
An operating system for a variety of platforms which focuses on features, speed, and stability. It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley. It is developed and maintained by a large community.
Linux
A clone of the operating system Unix, written from scratch by Linus Torvalds with assistance from a loosely-knit team of hackers across the Net. It aims towards POSIX and Single UNIX Specification compliance.
CentOS
The CentOS Project is a community-driven free software effort focused on delivering a robust open source ecosystem. For users, we offer a consistent manageable platform that suits a wide variety of deployments. For open source communities, we offer a solid, predictable base to build upon, along with extensive resources to build, test, release, and maintain their code.
Debian
Debian systems currently use the Linux kernel or the FreeBSD kernel. Linux is a piece of software started by Linus Torvalds and supported by thousands of programmers worldwide. FreeBSD is an operating system including a kernel and other software.
Ubuntu
Ubuntu is an ancient African word meaning ‘humanity to others’. It also means ‘I am what I am because of who we all are’. The Ubuntu operating system brings the spirit of Ubuntu to the world of computers.
See all alternatives