NetBios Group Name Lookup?
Jeremy Allison
jallison at cthulhu.engr.sgi.com
Thu Oct 7 16:47:06 GMT 1999
Christopher R. Hertel wrote:
>
> Mike and I have been discussing this issue a bit. Here's the tofu:
>
> - The RFCs say that you should be able to send a query on a group name to
> an NBNS (WINS) server. You should get back an array of entries. If
> the UDP packet is too small, the truncation bit will be set and the
> query must be repeated using UDP.
>
> - Instead, the WINS server that Mike is testing against returns only
> 255.255.255.255. Sending to that address will not, of course, reach
> any group members that are not on the local LAN.
>
> Is this a bug (or bad implementation) in WINS?
This is exactly what the spec says you should do for
a group name. Read RFC 1001/1002.
An *internet* group name is a special MS invention
that returns an IP list as you require. I used this
in the recent PDC/BDC query code on NAME<1c>. Our
WINS server also supports this.
Cheers,
Jeremy.
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