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* [devel] [Fwd: Browsing Elections and the 'os level' parameter]
@ 2002-02-17  1:12 Alexander Bokovoy
  2002-02-18 21:50 ` cornet
  0 siblings, 1 reply; 4+ messages in thread
From: Alexander Bokovoy @ 2002-02-17  1:12 UTC (permalink / raw)
  To: devel

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Greetings!

Это в основном, предназначено для cornet-а, пишущего часть документации
по Samba, но думаю будет интересно и остальным.
-- 
Sincerely yours, Alexander Bokovoy 
-- You won't skid if you stay in a rut.
		-- Frank Hubbard

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From: Richard Sharpe <sharpe@ns.aus.com>
To: jayts@iname.com
Cc: samba-technical@samba.org
Subject: Re: Browsing Elections and the 'os level' parameter
Date: Sat, 16 Feb 2002 15:11:55 +1030
Message-ID: <3C6DE313.6010509@ns.aus.com>

Jay Ts wrote:

>Hi Everyone,
>
>I'm working on the chapter in O'Reilly's Using Samba, 2nd ed.
>that covers browsing and browsing elections.  In the first
>edition, the original author listed some inaccurate information
>in the table on Windows OS Type values, and I want to correct that.
>
>First I looked through the Samba textdocs and htmldocs, then
>dug up everything I could on the Microsoft site, which amounted
>to 2 white papers.  Those two papers had contradictory information,
>and the Samba docs weren't of much help, even when documenting
>the "os level" parameter.  (For example, some of the docs use
>an os level of 65 to force Samba to be the master browser,
>without explaining why this specific number is used, and in
>BROWSING.txt it says the maximum os level is 255.  Wouldn't
>it be better to just use 255 to really make sure?)
>
>So I have spent the past day running ethereal here, with various
>combinations of Windows and Samba PDCs and workstations.  I've
>found what Windows systems use as the OS Type value (os level, in
>Samba smb.conf terms), and I'm hoping y'all can take a look
>at this and let me know if I'm off anywhere, or missing anything:
>
>Operating System and Configuration	OS Type value
>------------------------------------------------
>(MS-DOS or Win 3.x, with Microsoft	?
>	Network Client installed)
>(Windows for Workgroups)		1
>Windows 95				1
>Windows 98				1
>Windows Me				1
>(Windows NT 3.x Workstation)		16
>(Windows NT 3.x Server, member server)	16
>(Windows NT 3.x Server, as PDC)		32
>(Windows NT 4 Workstation)		16
>Windows NT 4 Server, as member server	16
>Windows NT 4 Server, as PDC		32
>Windows 2K Professional			16
>Windows 2K Adv.Server, as member server	16
>Windows 2K Adv.Server, as NT-PDC	32
>(Windows XP Home)			16
>Windows XP Professional			16
>

These are the values I recall seeing, and this makes sense according to 
the browsing docs that MS provided that I saw. I think some of this is 
in the CIFS doc now.

Of course, since I originally wrote the code in Ethereal that dissected 
these things, you might want to use another monitor tool to cross check :-)

>
>The OS versions in parenthesis are versions I don't have,
>and can't test, and the OS Type values are either taken from
>documentation or (more likely ;) assumed.  Do they look right?
>
>One thing to go along with this: it seems that Windows and
>Samba both compare the OS Type values as integers rather than
>bits, so an "os level" of 33 for Samba will beat a Windows
>system having an OS Type of 32, even though ethereal reports an
>value of 33 as a system that is both Windows NT Server and
>Windows for Workgroups (i.e., 32 anded with 1).  In other words,
>it is not necessary to use the next bit over (64, or even 65 ;)
>to win against any Windows PDC.
>
>I think it would be a good idea to get the OS Type values clear
>and document them so that the users will know exactly how to
>get Samba to beat or lose elections against specific Windows
>versions.
>
>Comments appreciated!
>
>Jay Ts
>jayts@iname.com
>
>

-- 
Richard Sharpe, rsharpe@ns.aus.com, rsharpe@samba.org, sharpe@ethereal.com
www.samba.org, www.ethereal.com, SAMS Teach Yourself Samba 
in 24 Hours, Special Edition, Using Samba





^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2002-02-19 16:08 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2002-02-17  1:12 [devel] [Fwd: Browsing Elections and the 'os level' parameter] Alexander Bokovoy
2002-02-18 21:50 ` cornet
2002-02-19  9:19   ` Alexander Bokovoy
2002-02-19 16:08     ` cornet

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