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If the "subject alternative name" contains an internal ip and can it be seen from the internet?. Thanks.

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Hi, on a server in my organization, the SSL certificate the "subject alternative name" contains an internal ip and it can be seen from the internet, is this correct?. Thanks.
asked Aug 21, 2011 in SSL Certificates by anonymous
    

1 Answer

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It depends. You are referring to the multi domain ssl certificate (commonly referred to as UCC or MS Exchange ssl certificate). Each domain name is referred to as a subject alternative name (or san for short). Sans can either be intranet or fully qualifed domain names (fqdn). If any of the sans are fqdn, then the cert can be used in a global environment for that domain. Intranet sans are not publicly available, thus they cannot be seen on the Internet.
answered Dec 7, 2011 by Leo Grove (1,890 points)
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