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A domain secured with a Let's Encrypt certificate is marked as not secured in Plesk Advisor: The certificate is either self-signed or not vaild

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Yulia Plokhotnikova
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Plesk for Linux kb: fixed kb: bug

Applicable to:

  • Plesk for Linux

Symptoms

A domain secured with a Let's Encrypt certificate is marked as not secured in Plesk Advisor extension:

CONFIG_TEXT: The certificate is either self-signed or not valid.

Cause

Product issue:

  • #EXTADVISOR-882 "The extension now correctly validates a certificate in the “Secure Websites With SSL/TLS Certificates” recommendation."
    Fixed in:

Resolution

Please consider updating your server:

Workaround

If update is not possible for some reason you may try the following

workaround

Until the bug is fixed, the following workaround may be applied:

  1. Connect to the server via SSH
  2. Download this file:

    # wget https://curl.se/ca/cacert.pem

  3. Rename the original file:

    # mv /usr/local/psa/admin/plib/modules/advisor/resources/ca/cacert.pem /usr/local/psa/admin/plib/modules/advisor/resources/ca/cacert.pem.orig

  4. Move the downloaded file to the Advisor directory:

    # mv cacert.pem /usr/local/psa/admin/plib/modules/advisor/resources/ca/

  5. Open Advisor in Plesk again

Comments

6 comments

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    Chris Mallabon

    This just reappeared in the last few days. It's also saying that Plesk is not secured but it also is.

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    Yulia Plokhotnikova

    Hello @Chris Mallabon,

    Could you try to apply the workaround, is it help to fix the issue? what Plesk version is currently installed?

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    Chris Mallabon

    Workaround didn't work. Note: got a certificate error trying to download PEM file so had to turn off verification. Was on Version 18.0.38 Update #2 but got Update #3 a few days ago and still have the issue. 

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    Chris Mallabon

    Oh, the issue appeared when either Update #2 or possibly the one before that was installed. 

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    Yulia Plokhotnikova

    @Chris Mallabon, so when Plesk was updated to #3, issue is fixed, correct? If not, please send all the symptoms that are currently actual.

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    Chris Mallabon

    No it wasn't fixed. All domains are secured with Let's Encrypt but Advisor has them all flagged as red (The certificate is either self-signed or not valid) under Certificate with the error "13 of 13 (100%) websites are not secured with valid SSL/TLS certificates". It also says "Plesk is not secured". I have manually renewed the Plesk certificate and several domains to see if that would fix it, but it didn't change. When I log into Plesk or go to any of the domains, there aren't any SSL warnings so certs appear to be fine.

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