Mailinglist Archive: opensuse (882 mails)

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[opensuse] Open Source AS [Was: DHCP and Windows (yuck...)]
  • From: Adam Tauno Williams <awilliam@xxxxxxxxxxxxx>
  • Date: Tue, 14 Dec 2010 06:10:54 -0500
  • Message-id: <1292325054.13072.5.camel@xxxxxxxxxxxxxxx>
On Tue, 2010-12-14 at 11:36 +0100, Joachim Schrod wrote:
Anton Aylward wrote:
Joachim Schrod said the following on 12/13/2010 02:12 PM:
Anton Aylward wrote:
What is it that they require from the Windows DHCP server that can't be
supplied by the Linux DHCP server?
Most probably, integration with AD.
DNS is a prerequisite for Active Directory.Active Directory cannot be
installed or configured without DNS. It really doesn't matter WHERE the
DNS comes from.
??????? DNS != DHCP
Nevertheless, it is also possible to run an AD infrastructure with
a foreign DHCP server. It will just be *much* more work without any
gain for the Windows side. That's why I wrote their reason is
*integration* with AD, not AD itself.
Back when I worked alongside a Windows group they had a lot of the back
end AD services implemented on *NIX machines for various reasons.

I have implemented AD, and don't see DHCP as a critical component; AD
seemed pretty happy with any DHCP [provided of course that was correctly

I take then, it that you have yourself never designed, realized,
implemented, tested or run an AD infrastructure yourself? I have --
and AD is a highly interesting piece of infrastructure software
where I haven't yet found its equal in the open source Linux world.
(Group policies, integration of various directory related services,
and ease of delegation are killer features, alone.) Yes, it's
_possible_ to do as you wrote, but with a very high probability
it's not _sensible_.

Aside from Samba4 [which implements the AD protocols] I believe it is
*not* possible. AD is a very integrated stack. Even with Samba4 you
need appropriate versions of Bind (DNS) [>9.7.2] and NTP [>4.2.5
w/--enable-ntp-signd] that will integrate well. It is nearly impossible
to run such a stack on current versions of CentOS.

Once configured Samba4 works surprisingly well - including GPOs, etc...
managed from Windows MMC.
Adam Tauno Williams <awilliam@xxxxxxxxxxxxx> LPIC-1, Novell CLA
OpenGroupware, Cyrus IMAPd, Postfix, OpenLDAP, Samba

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