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Unable to edit certain files in Plesk File Manager when Plesk URL page is served by Cloudflare: user is forcefully logged out from Plesk

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Kuzma Ivanov
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Plesk for Windows Plesk for Linux kb: technical ABT: Group A

Applicable to:

  • Plesk for Linux
  • Plesk for Windows

Symptoms

  • On attempt to open a certain file in Plesk File Manager, the user is forcefully logged out from Plesk without the ability to log in back on the same page.

  • The Plesk URL login page is served by Cloudflare:

    MYSQL_LIN: nslookup example.com

    Name: www.example.com.cdn.cloudflare.net
    Addresses: 104.28.22.73
    104.28.23.73

  • If the server IP address is used as a login URL (https://203.0.113.2:8443 ), the issue is not reproduced.

Cause

Cloudflare settings prevent opening certain files.

Resolution

Contact Cloudflare support for troubleshooting.

As a workaround, use one of the following options:

  • Disable Cloudflare support for example.com.

  • Log in to Plesk using a Plesk IP address instead of a hostname.

Comments

1 comment

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    TJ Rutkowski

    Adding the Cloudflare IPs (https://www.cloudflare.com/ips/) to the Plesk trusted list (Tools & Settings >> IP Address Banning >> Trusted IP Addresses) resolves the issue for me.

    No need to contact Cloudflare support.

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