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To: Michael Dexter <dexter@ambidexter.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: 5.x ipdivert.ko with pf and natd?
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Michael Dexter <dexter@ambidexter.com> writes:

> Hello,
> 
> I would like to use natd with packet filter under FreeBSD 5.4.
> 
> The rc.conf man page states that I want: natd_enable="YES" and that
> "if the kernel was not built with options IPDIVERT, the ipdivert.ko
> kernel module will be loaded."
> 
> Unfortunately, the module ipdivert.ko does not appear to exist in /boot/kernel/
> 
> ... but I do see it in 6.x filesystem.
> 
> I tried building a kernel with:
> 
> options     IPDIVERT
> 
> and that did not appear to produce the module (depends on ipfw though
> I want to use pf?).
> 
> I do however see the source in: /usr/src/sys/netinet/ip_divert.c
> 
> 1. Am I overlooking the prebuilt module in 5.x?
> 2. Can I simply build the module on its own without a full buildkernel?
> 3. Given that buildkernel did not produce it, how can I produce it?

No, I don't see it in the module makefile on my -STABLE machine.
natd *does* depend on ipfw; if you want to use pf, you probably want
to use its built-in NAT capabilities.
If you *do* want natd, you can always compile divert directly into
your kernel.