IPMI & portrange

[Danny Braniss]

Hi,
	This keeps bitting me every other upgrade, IPMI on some
hosts, if enabled, will steal packets to port 623 or 664, so
the current solution is either set net.inet.ip.portrange.lowlast
to 664, (for some reason this does not seem to work if done via
loader.conf) or change it in sys/netinet/in.h.

	So, is there some way to blacklist some ports, instead
of increasing portrange.lowlast?

	danny