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

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Renan Moreira
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Plesk for Linux kb: fixed kb: bug

Applicable to:

  • Plesk for Linux

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.

Browser console (F12) > Network tab > Shows that the request is blocked with an error 403. And the following error can be found in the Apache log file:

CONFIG_TEXT: [proxy:error] [pid 480:tid 140170217060096] (32)Broken pipe: [client 203.0.113.2:25479] AH01084: pass request body failed to 127.0.0.1:8880 (127.0.0.1)
[:error] [pid 480:tid 140170200274688] [client 195.214.233.10:25474] [client 203.0.113.2] ModSecurity: Access denied with code 403 (phase 2). Pattern match "(?:(?<!\\w)(?:\\.(?:ht(?:access|group|passwd)|www_{0,1}acl)|boot\\.ini|global\\.asa|httpd\\.conf)\\b|/etc/)" at ARGS:file. [file "/etc/httpd/conf/modsecurity.d/rules/custom/001_i360_1_generic.conf"] [line "74"] [id "77211190"] [msg "IM360 WAF: Remote File Access Attempt||MVN:ARGS:file||MV:.htaccess||T:APACHE||"] [severity "CRITICAL"] [tag "service_gen"] [hostname "plesk.example.com"] [uri "/smb/file-manager/code-editor/domainId/18/"] [unique_id "YKe-UdncFkEOiFA6fNLUeQAAARM"], referer: https://plesk.example.com/smb/file-manager/list/domainId/18?modals%5Beditor%5D=

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:

Resolution

Please consider updating your server:

Workaround

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

workaround

As a workaround, apply one of the following steps:

Comments

3 comments

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  • Avatar
    Sheila Stamp (Edited )

    Hi 

    I cannot edit the wp-config.php file at all.  All other files are OK.  I am logged in as admin.

    I can confirm:

    Web Application Firewall (ModSecurity) is off

    Nginx is installed and running.

    I am accessing through a domain and 8443.

    Any suggestions on why this is happening solely for the wp config file and a way to fix it.  The file has the same permission levels as all the other files in the folder that I can edit with no problem at all.

    Thank you for any help you can provide.

    Best regards

    Sheila

     

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  • Avatar
    Sheila Stamp

    It didn't fix my problem.  The issue seems to affect the wp-config.php files only.  Not the others.

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  • Avatar
    Wyk Parish

    It wasn't fixed in the update for me either unfortunately.  I'm on version Version 18.0.49 Update #2.  The workarounds did not help either.  The only way I'm able to edit the wp-config file is through FTP or terminal.  A fix or guidance to an effective workaround would be appreciated!

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