dynamic dns updates from WINS

[tridge at linuxcare.com]

> I see in the example update script in 2.0.6 that 00 03 20 are considered
> good names, so even using wins-hook, with the example update script or a
> personalized one, I would get dns entries for login names?.
>
> Is there a way to identify real hostname?

real netbios hostnames are type 0 and type 20. Type 3 is
usernames. The examples script includes those as we wanted ot be able
to do "ping tridge.wins"

you can edit the script to exclude type 3 if you want to.