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RE: N-Way-Multimaster Configuration

These will be self-signed certs.  Internally facing servers, approximately 120 to 200 client end-user machines, and 200 to 500 "other" servers.

We, that is my group, does not "own" the facilities domainname (llan.ll.mit.edu); our ldap name is does not have the mit.edu in its name -- long story.

-----Original Message-----
From: Brian Reichert [mailto:reichert@numachi.com] 
Sent: Tuesday, January 14, 2014 2:32 PM
To: Borresen, John - 0442 - MITLL
Cc: Quanah Gibson-Mount; openldap-technical@openldap.org
Subject: Re: N-Way-Multimaster Configuration

On Tue, Jan 14, 2014 at 02:22:53PM -0500, Borresen, John - 0442 - MITLL wrote:
> Using TLS.  To create the certificates, finding a lot of varying ideas via google, what is the "best practice" to create certificates to where I don't have to touch each client if a server goes down.  Create a wildcard cert or use the subjectAltName in the openssl.cnf file?

Is this a public-facing server, or strictly internally facing?

Will you be using an in-house CA?

I'm a fan of an in-house CA (note: note the same as a self-signed cert), and a well-populated SAN list, possibly incorporating IP addresses as well.

> John D. Borresen (Dave)
> Linux/Unix Systems Administrator
> MIT  Lincoln Laboratory
> Surveillance Systems Group
> 244 Wood St
> Lexington, MA  02420
> Email: john.borresen@ll.mit.edu<mailto:john.borresen@ll.mit.edu>

Brian Reichert				<reichert@numachi.com>
BSD admin/developer at large