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SSL Error When Connecting to Site

Posted on 2010-11-15
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Last Modified: 2012-05-10
Can anyone tell me what may be causing this error other than what the error states? Could this be a firewall rejecting the connection?

Network Error (ssl_failed)

A secure SSL session could not be established with the Web Site: "SSL client certificate not supported". This is typically caused by a Web Site that is not configured to accept SSL connections, but could be because the Proxy does not trust the Web Site's certificate authority.

My users are not able to connect to the site from work, but they can connect from home. Any suggestions would be greatly appreciated.
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Question by:BoxunloX
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Expert Comment

by:ketelhuis
ID: 34135077
Sounds like a DNS related error. Is the internal DNS name the same as the external name (which should ben the name which is assigned to the cert) ? Is it resolvable?
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Author Comment

by:BoxunloX
ID: 34139250
I assume you mean the internal DNS name of the web server? I have no clue. The site is a SharePoint portal that I do not manage but that a couple of my users need to access for work purposes. The portal is external to my company. I guess I just need to contact the site's admins and find out what is going on.
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Accepted Solution

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ketelhuis earned 250 total points
ID: 34144109
Sounds like a good idea :) The SSL certificate contains a DNS name. When you connect externally (i.e. from home) the DNS name matches the certificate's name. When you connect internally, maybe you use a different name. example:

from home you go to sps.mycompany.com
from work you go to sps.mycompany.local

the certificate is registered to sps.mycompany.com.

Another thing: maybe there's a reverse proxy not having the right root certificates.

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Author Comment

by:BoxunloX
ID: 34296035
This issue ended up being a certificate trust issue between our domain and the external site. It is still being worked with the administrators of the other site.
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Author Closing Comment

by:BoxunloX
ID: 35732038
After elevating the issue to a level higher than mine I was told that the issue was a proxy issue. Thanks!
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