kern/123796: FreeBSD 6.1+VPN+ipnat+ipf: port mapping does not work

[linimon at FreeBSD.org]

Old Synopsis: Port mapping does not work
New Synopsis: FreeBSD 6.1+VPN+ipnat+ipf: port mapping does not work

Responsible-Changed-From-To: gnats-admin->freebsd-net
Responsible-Changed-By: linimon
Responsible-Changed-When: Sun May 18 22:45:21 UTC 2008
Responsible-Changed-Why: 
Rescue this PR from the 'pending' category.

http://www.freebsd.org/cgi/query-pr.cgi?pr=123796