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AutoSSL providing incorrect SSL for a subdomain

Discussion in 'Security' started by madnoob2, May 3, 2017.

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  1. madnoob2

    madnoob2 Active Member

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    Hello. I've just created a subdomain that will host my wordpress site (https://blog.mydomain.com)
    I've run AutoSSL and it has done it's job of assigning a SSL certificate to the subdomain. However the certificate is showing errors :

    The security certificate presented by this website was issued for a different website's address.

    I've run it on SSL checker , and I got the following issue :
    None of the common names in the certificate match the name that was entered (blog.mydomain.com). You may receive an error when accessing this site in a web browser.
    Common name: main.mydomain.com
    SANs: main.mydomain.com, www.main.mydomain.com
    Valid from April 16, 2017 to April 17, 2018
    Serial Number: serialnumberedited
    Signature Algorithm: sha256WithRSAEncryption
    Issuer: cPanel, Inc. Certification Authority

    The main.mydomain.com is the domain of my cPanel. When I run the SSL checker for my domain (mydomain.com) it works fine , common name is mydomain.com and SANs are also mydomain.com .
    Why was the certificate issued with main. common name and SANs? I think that is the problem , but then again I have no ideas how SSL work.
     
    #1 madnoob2, May 3, 2017
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager Staff Member

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    Hello @madnoob2,

    We introduced new functionality in cPanel version 64 to better establish which domains to add to the certificate first. Here's the corresponding quote from the cPanel 64 Release Notes:

    This is further explained on the following document:

    Which Domain Does AutoSSL Add To The Certificate First

    Could you verify which version of cPanel is installed on this system? Also, how are you reproducing the above error message?

    Thank you.
     
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    #2 cPanelMichael, May 4, 2017
  3. madnoob2

    madnoob2 Active Member

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    Hi Michael.
    I've got version 64.0 (build 19) installed currently. That error is reproduced when visiting the https://blog.mydomain.com on IE. Mozilla also reports it , but can't remember the exact error since I added the certificate exception for the blog in Mozilla.
     
    #3 madnoob2, May 4, 2017
  4. madnoob2

    madnoob2 Active Member

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    The issue seemed to resolve itself after rebooting the server.
     
    #4 madnoob2, May 4, 2017
  5. cPanelMichael

    cPanelMichael Technical Support Community Manager Staff Member

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    Hello,

    It's possible the issue was related to cached data, however it's difficult to know for sure since the reboot addressed the issue. Let us know if you encounter any additional problems going forward.

    Thank you.
     
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    #5 cPanelMichael, May 5, 2017
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