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SSL Certificates for Cisco UC

Posted on 2016-09-07
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Last Modified: 2016-09-27
Hi Guys,

We have the SSL certs for our Cisco UC solution (Prime, CUCM, UCCX, IMP etc ) expiring soon and we are wondering if we can use Comodo Positive SSL Multidomain certs or does it have to be a UCC/SAN cert?

Not very familiar with SSL certs so any info would be appreciated!

Cheers!
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Question by:Anthony Barron
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by:Mahesh
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multidomain and UCC is one and the same certificate

UCC / SAN certiifcate will have multiple hostnames (multidomain) in single certificate

If your requirement is such that you need single certificate to be installed on multiple servers or if you want to secure multiple hostnames, you need SAN/UCC cert

Public CA can provide you either cert with single hostname, or they can provide you SAN cert or even they can provide wildcard cert, you need to tell them what you need
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btan earned 250 total points (awarded by participants)
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Both are using based on one cert and either one is possible. Both support encryption (up to 256-bit) and they secure up to 100 Fully Qualified Domain Names on a single certificate.  

Therefore, I see (so far) the only differences are mainly on the costing and the validation (trust assurance) level. For more secure, you can go for the UCC/SAN. For optimal cost, you can opt for Multi-domain cert instead.

Multi Domain SSL

(^costing) -  Base certificate costs $165.00 for three domains. After the third domain, each additional domain costs just $40.00. If you are running same domain for different hosts, the wildcard  domains (*.mydomain.com) package can be added for just $149.00 surcharge per year. https://www.positivessl.com/multi-domain-ssl-certificate.php

(^validation) - A domain validated certificate is one in which the validated identifying information contained in the certificate is limited to the domain in which the Web site is located. If one of these certificates validates correctly, then the browser displays the padlock icon.

UCC/SAN cert

(^costing) -  Base certificate start from $285.00 per year for 3 domains. Beyond this initial 3 domains, you can add up to 100 FQDN on the same certificate at just $35.00 per additional domain. This not really for wildcard since it uses the alternate name to include the list of other domain. More for MS® Exchange 2010/2013 and OCS environments. https://www.positivessl.com/uc-certificate.php

(^validation) - An organizationally validated certificate is one in which the validated identifying information includes the domain and information about the business entity that operates the Web site, such as its registered business name.

FAQ - https://support.comodo.com/index.php?/Knowledgebase/List/Index/16
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by:btan
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As per advice given.
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