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Modify the default subdomains added to each domain?

Discussion in 'Security' started by Patrik, Oct 5, 2017.

  1. Patrik

    Patrik Member

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    I would like to edit the default subdomains that are auto-added to each domain. For instance I add mydomain.com, and cpanel automatically adds subdomains "cpanel", "webdisk", "webmail", "mail". It also adds "www" whenever I add a subdomain to an existing domain.

    This makes AutoSSL a bit of a hassle because A) logs are filled with errors where domains can't be verified, B) It adds overhead to each AutoSSL request sent and afaik, that's not good when using Let's Encrypt, and C) It's just messy.

    So, is there any way I can disable the ones mentioned?
     
  2. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    Rather than deleting the subdomains, you can simply exclude them from the AutoSSL feature if that's the primary reason you want them removed. You can exclude subdomains from the AutoSSL feature for a specific account using the following option in cPanel:

    SSL TLS Status - Version 66 Documentation - cPanel Documentation

    Thank you.
     
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  3. Patrik

    Patrik Member

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    Hi,

    Ah yes I could do it per account I suppose, thanks.

    But is it possible to do on a server-wide scale, so they aren't added at all? I understand that Webdisk, Mail and so on would be affected, but this particular server will do nothing but host websites.
     
  4. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    You can disable proxy subdomains globally via the following options under the "Domains" tab in "WHM >> Tweak Settings":

    "Proxy subdomains"
    "Proxy subdomain creation"
    "Thunderbird and Outlook autodiscover and autoconfig support (enables proxy subdomain and SRV record creation)"

    Then, to remove the existing proxy subdomain records for all accounts, run the following command:

    Code:
     /scripts/proxydomains remove
    Note the "mail" and "www" entries are not proxy subdomains and thus will remain on the system as aliases. It's not possible to remove these entries by default without modifying the default Apache template:

    Disable default www entry for all subdomains and hostname
    Add option to control ServerAlias www entries for subdomains

    Thank you.
     
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  5. Patrik

    Patrik Member

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    Awesome, thanks!
     
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