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Re: Change OS X Proxy settings on 200 Computers

This isn't a direct answer to your question, but hopefully it will make
your life easier.

I'm not sure if you can specify a proxy by DNS name, but if so, you really
should have just used an internal-network DNS Alias. Then by simply
changing where the alias points, all your computers use the new machine.
No muss, no fuss.

With a little fiddling, you might be able to do the same with your DC's.
I'm assuming that it's DC - as in, "Domain Controller", not DC - as in
ldap's "dc=mit, dc=edu".

What we've done here for various servers is have aliases for dc1.uleth.ca,
dc2.uleth.ca, and point them at whatever boxen are currently the domain
controllers. My stuff doesn't care as long as the alias resolves.

I highly reccomend this kind of setup, if you're not using it already.

The rule we use around here is:
Nothing production should be referenced by it's real hostname.
Use an alias, it'll last longer. :)

EG: "Yeah, just connect to jupiter.online.uleth.ca"... 8 months and a
hardware failure later..."gotta change jupiter to titan now..." 6 months
and a hardware upgrade "dammit, switch it again!".
or
"FTP to people.uleth.ca." 8 months later "Hmm? yeah, FTP to people". 6
months and a hardware upgrade "still FTP to people."

Useful for users, servers, inter-departmental computer connections, all
sorts of stuff. Aliases aren't just for webservers anymore. ;)

So. Get some aliases set up NOW. Then, you have until October to get all
your machines switched to using the alias. On the day of the great
switchover, reboot your Macs to make sure they're not still caching the
(now) incorrect resolved IP address. Done.

And as a total aside -- October?!?! Are your IT people crazy? Why the
%$%&#@*& would they do a rather important switch like that in the middle
of the school semester?! That's what the breaks are for...... but I
digress. :)

-- Jeremiah Merkl
-- Department of Information Technology
-- University of Lethbridge

On Wed, July 28, 2004 11:00 am, Ball, Dan said:
> Just found out that we are changing our DC's and Proxy servers this coming
> October. We just moved to OS X in July and I was wondering what I am
> going to have to change to keep everything running smoothly. Here is what
> I am thinking right now.
>
> 1) edu.mit.Kerberos file will need updated to include the new servers
>
> 2) Proxy settings for IE and FireFox in the user template updated
>
> 3) OS X proxy settings for Safari need updated to work correctly
>
> That should be about it! Everything should be an easy thing except
> changing OS X's proxy settings, Anyone have any ideas on how I could
> change the proxy settings on roughly 200+ OS X computers??
>
> Can anyone think of anything I am forgetting? I am hoping I won't have to
> rebind the OS X clients to Active Directory again once the changes are
> made, just updated the Kerberos file I am hoping will be enough.
>
> Thanks,
>
> Dan Ball
>
> [demime 0.98b removed an attachment of type application/ms-tnef which had
> a name of winmail.dat]
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References: 
 >Change OS X Proxy settings on 200 Computers (From: "Ball, Dan" <email@hidden>)



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