Add a deprecation note in each of the PF man pages (instead of just pf.4),
so that it's really clear.

Bump date for new CAVEATS.

mention pfsync not working as a kernel module

.Xr takes two arguments only.

Improve the pfsync(4) man page

hostname.if(5) is ifconfig.if(5) on NetBSD
Don't speak about enc, as we don't support it at the moment
Make clear that we don't support ipsec protection of pfsync traf

Improve the pfsync(4) man page

hostname.if(5) is ifconfig.if(5) on NetBSD
Don't speak about enc, as we don't support it at the moment
Make clear that we don't support ipsec protection of pfsync traffic (as long we
doesn't support enc, or similar thing)

Catched by wiz@

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Fix Dd argument.

Import pfsync support from OpenBSD 4.2

Pfsync interface exposes change in the pf(4) over a pseudo-interface, and can
be used to synchronise different pf.

This work was part of my 2009 GSoC

No obje

Import pfsync support from OpenBSD 4.2

Pfsync interface exposes change in the pf(4) over a pseudo-interface, and can
be used to synchronise different pf.

This work was part of my 2009 GSoC

No objection on tech-net@

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