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The Book of PF by Peter N.M. Hansteen

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If You Came from Elsewhere

If you are reading this because you are considering moving your setup to PF from some other system, this section is for you. Some of the more common questions are covered here, in a FAQish, question-and-answer format.

PF looks really cool. Can I run PF on my Linux machine?

In a word, no. Over the years we have seen announcements on the PF mailing list from someone claiming to have started a Linux port of PF, but at the time of writing (late 2007), nobody has claimed to have completed such a project. The main reason for this is probably that PF is developed primarily as a deeply integrated part of the OpenBSD networking stack. Even after a decade of parallel development, the OpenBSD code still shares enough fundamentals ...

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