[cisco-voip] Digicert Wildcard certificates

Wed Jul 15 12:51:21 EDT 2015

Good point. I spoke too soon: we use wildcard certificates on VCS-E and WebEx Meeting Server only. IIRC VCS officially doesn’t support wildcard certificates either but everything seems to work provided the hostnames are configured as SANs. CUCM might be the same with the multi-server certificate but I haven’t tried.

From: Anthony Holloway [mailto:avholloway+cisco-voip at gmail.com]
Sent: 15 July 2015 10:43 AM
To: Eric Pedersen; Heim, Dennis; Ian Anderson; NateCCIE; Cisco VOIP
Subject: Re: [cisco-voip] Digicert Wildcard certificates

I'm a little confused here.  According to this article: http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/115957-high-level-view-ca-00.html#wildcard<http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/115957-high-level-view-ca-00.html#wildcard>, and this defect ID: https://tools.cisco.com/bugsearch/bug/CSCta14114/<https://tools.cisco.com/bugsearch/bug/CSCta14114/>, wild card certs are not supported.  Are we talking about the same thing here?

On Wed, Jul 15, 2015 at 10:08 AM Eric Pedersen <PedersenE at bennettjones.com<mailto:PedersenE at bennettjones.com>> wrote:
Digicert lets you put your domain and subdomains of any level as SANs. It’s great! They even generated a duplicate certificate for me with a different root CA that was supported with WebEx enabled Telepresence. We use their wildcard certificates on all of our UC servers.

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>] On Behalf Of Heim, Dennis
Sent: 15 July 2015 8:28 AM
To: Ian Anderson; NateCCIE; Cisco VOIP

Subject: Re: [cisco-voip] Digicert Wildcard certificates

I’ve found the hardest thing to find a cert providers that likes putting the domain as a san such as DNS=mycollab.com. Has anyone found any providers that are kosher with that? From one of the Cisco Live sessions, I was told this is needed for service discovery to function properly.

Dennis Heim | Emerging Technology Architect (Collaboration)
World Wide Technology, Inc. | +1 314-212-1814
[twitter]<https://twitter.com/CollabSensei>
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“There is a fine line between Wrong and Visionary. Unfortunately, you have to be a visionary to see it." – Sheldon Cooper

Click here to join me in my Collaboration Meeting Room<https://wwt.webex.com/meet/dennis.heim>

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ian Anderson

Sent: Wednesday, July 15, 2015 10:18 AM
To: NateCCIE; Cisco VOIP
Subject: Re: [cisco-voip] Digicert Wildcard certificates

On 15 July 2015 at 15:02, NateCCIE <nateccie at gmail.com<mailto:nateccie at gmail.com>> wrote:
Did you put all of your SANs in the digicert page?
z
I have this working on all of my expressway installs.
Hi Nate,

Thanks for the quick response, just for preservation in the archives for future posterity and confirmation that digicert seems fine despite the warnings in the manuals, it seemed I was running into 2 separate issues.

1) I had uploaded the intermediate cert, but needed to manually download and upload the root CA
2) That then got me past the TLS error, only to find that I had fat-fingered the hostname in the SAN field :-(

Cheers

Ian

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