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Knowledge Base

[BUG] Unable to edit some files with File Manager in Plesk via HTTPS: file loads indefinitely

 
2021file managerfirewallhtaccesshttps

Symptoms

  • Files like .htaccess or wp-config.php cannot be opened nor edited in Plesk File Manager via CodeEditor. They just keep loading:

    mceclip0.png

  • Going to Tools & Settings > Web Application Firewall (ModSecurity) > Web application firewall mode is set to On

  • Nginx is uninstalled, disabled, or its service is not running:

    # plesk sbin nginxmng --status
    Disabled

    # plesk sbin nginxmng --status
    Error: Nginx component is not installed.

Cause

Product issue:

  • #PPPM-12921 "Users can now open the wp-config.php file and other WordPress subscription files in Code Editor. Previously it was occasionally impossible under certain circumstances."

    Fixed in:

    • Plesk Obsidian 13 October 2021 (Linux)

Resolution

Please consider updating your server:

  • How to install Plesk updates

Workaround

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

workaround

As a workaround, apply one of the following steps:

  • Access Plesk with a domain and port (8443)

  • Disable the ModSecurity ruleset IDs blocking the requests

  • Disable ModSecurity at Tools & Settings > Web Application Firewall (ModSecurity) > Web application firewall mode.

  • Enable Nginx as a Proxy

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