Neel Chauhan a08cdb6cfb Allow setting alias port ranges in libalias and ipfw. This will allow a system
to be a true RFC 6598 NAT444 setup, where each network segment (e.g. user,
subnet) can have their own dedicated port aliasing ranges.

Reviewed by:		donner, kp
Approved by:		0mp (mentor), donner, kp
Differential Revision:	https://reviews.freebsd.org/D23450
2021-02-02 13:24:17 -08:00
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