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why OpenBSD?

puffy58 OpenBSD is a mature operating system that has been built on a solid foundation.
The history of BSD goes back to 1977! The first official OpenBSD release was in 1996.
OpenBSD is under continuous development and is a modern, reliable and secure operating system.
 
 
 

Built for security

The OpenBSD project goals make it clear that this is an operating system that is developed to be the #1 most secure operating system.

Strive to make our software robust and secure, and encourage companies to use whichever pieces they want to.

Pay attention to security problems and fix them before anyone else does.

Be as politics-free as possible; solutions should be decided on the basis of technical merit.

Do not let serious problems sit unsolved.

Standards

OpenBSD tracks and implements standards (ANSI, POSIX, parts of X/Open, etc.)

OpenBSD uses code from other Open Source projects and other projects use code from OpenBSD.

So good interoperability and no vendor lock-in!

Unrivalled firewall

The firewall component of OpenBSD is called pf (packet filter).

It offers a comprehensive suite of features and is so well regarded that it has been ported to many other operating systems.

Apple uses it in MacOS and in iOS. And BlackBerry uses it in the BlackBerry 10 operating system. Pf is also used in FreeBSD, DragonFly BSD, Debian GNU/kFreeBSD and Oracle Solaris.

However OpenBSD is the native platform for pf so the OpenBSD version of pf is always newer and more advanced than other platforms.

The advantage of Open Source software

The open software development model permits the OpenBSD developers to take a more uncompromising view towards increased security than most vendors are able to. They can make changes the vendors would not make.

The source code is available for anyone to look at and bugs are typically found and fixed much more quickly than with proprietary software.

Open Source software is not easily subject to interference by nation states or hackers.

Leading security technology

OpenBSD has pioneered many new security technologies that are only adopted later by other operating systems.
 
For more information see OpenBSD security.