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On 5/6/11 9:39 AM, Ali Faiez Taha wrote:
>
>
> I am trying to set up a PF in OpenBSD 4.9 and using old rules from OpenBSD 3.9

> I am new on PF and need some help to solve this problem.
> Some book to understand the changes in PF ?

I'd suggest you check out the PF documentation on the OpenBSD website, 
in particular something like

http://openbsd.org/faq/pf/index.html

and then ask follow-up questions on the appropriate OpenBSD mailing list.

--Jon Radel
jon@radel.com