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Install SSL certicate that has a different hostname than server?

Posted on 2007-11-20
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Last Modified: 2013-12-11
I have a customer that has an IBM Websphere server that he wants to enable SSL on.  The certificate that was ordered has a different name that the server name.  The customer cannot rename the server or order another certificate.  Is there a way to get this certificate installed without rebuilding the server or renaming it?
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Question by:bdcwork
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by:gmilhon
ID: 20322422
As part of cert verification browsers require the cert's CN to match the hostname. All you need to do is setup a DNS record to point to your server with the CN that was created. Example: if your servers IP address is 1.2.3.4 and the CN on the cert is server.domain.com, then setup a DNS record for server.domain.com to point to 1.2.3.4. IBM WAS doesn't care what the cert it, it will just present it back to the client. And the client ensures that the hostname entered for the URL matches the CN in the cert. If they don't match, the user will be prompted with a warning.
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Michael W earned 250 total points
ID: 20322470
A registered SSL cert is certified by the vendor and is appointed to that server/domain name. If you were able to move the verified certificate to another server with a different name, then that would open up loop holes for running illegal sites with real certificates.
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by:bdcwork
ID: 20322571
What if websphere won't accept the certificate into the keystore because the hostname is different?
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by:gmilhon
ID: 20322605
Websphere doesn't care about the hostname, you can just import the cert into your JKS (Java Key Store) using ikeyman, IBM's key manager. Then configure the WAS server to use that. You will also need to make sure you setup the virtual hosts to accept requests for your DNS name in the CN.
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by:bdcwork
ID: 20322677
Do you have a code snippet or reference on how to have websphere use that keystore?  I still cannot import the cert because the host specified is different...
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by:gmilhon
ID: 20323197
How are you trying to put the cert in the keystore? Are you using ikeyman? Please post the specific errors you are getting and how you are doing it.
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by:bdcwork
ID: 20323853
The error I get is:

CWPKI0662E: Certificate with a public key matching the public key in the certificate from the Certificate Authority is not found in key store "WCServerKeyStore".
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Assisted Solution

by:gmilhon
gmilhon earned 250 total points
ID: 20329535
This isn't a problem with the hostname or CN. You need to import the root CA intermediate cert into your keystore if it isn't there already. The keystore needs to include the cert that your cert was signed with, this is called the root CA cert. You can d/l all the root CAs here: http://www.verisign.com/support/roots.html. From that ZIP, install all the certs you need that your cert was signed with.

If you need help in knowing which one to install in your keystore, you will need to post the cert chain for your cert. Or just post the public cert here.
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by:bdcwork
ID: 20330445
I will try that out after the holiday...thanks....
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by:gmilhon
ID: 20405093
Please let me know if you have any questions or can close this question out.
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by:Michael W
ID: 20718756
Is this issue resolved or still needs to be addressed?
http://www.experts-exchange.com/help.jsp#hi331
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