hostname and dhcp question
justin at jdjlab.com
Fri Jun 30 16:32:36 UTC 2006
> On Fri, 2006-06-30 at 09:11 -0500, Justin Willmert wrote:
>> I'm not an expert, but by how I've always understood it, Windows
>> machines use DNS entries, hosts file entries, and *NetBIOS* name
>> broadcasts to look up other computers.
> As far as I was aware, they only played with NetBIOS to find machines
> when doing SMB type of things (Windows file sharing). Other TCP/IP
> network activities, didn't.
I did a really quick check and if I do an nslookup jupiter (my
computer's name), I can't get a result (because my DNS server doesn't
have records of it...I haven't gotten my dad to let me mess with our
router yet ;-) ), but when I ping jupiter or telnet jupiter 80, I get
results from both, so I see it as it is looking at the NetBIOS names. I
verified that those same tests work from another Windows computer, but
none of my Linux box's can do that. Another test I can think of would be
to use a packet sniffer, but I've never had good luck with them (I get
too much stuff to sort through 'cause I don't know how to use the
correctly), so that's something that I could look into. I'm not saying
you're wrong, so if there's something missing in my method, I'd really
like to be told what Windows is actually doing back there.
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