Web reconfiguration in Plesk fails: unknown option ‘InheritBefore’

Dmitry Bystrov

12 months ago

Symptoms

The server is running on the RHEL-based OS (CentOS, CloudLinux, RHEL) of version 6 with the Apache 2.2 version.
WP Toolkit was upgraded to the 5.8 version.
In an attempt to perform web reconfiguration the following error appears:

Syntax error on line 121 of /etc/httpd/conf/plesk.conf.d/vhosts/example.com.conf: RewriteOptions: unknown option 'InheritBefore'

Cause

This is the WP Toolkit bug with the ID #EXTWPTOOLK-8572, which will be fixed in the next release versions.

The InheritBefore directive is supported only in Apache starting from the 2.3.10 version and above.

Resolution

Migrate to a server with the OS that supports Apache of the 2.3.10 version.

In case migration is not an option, apply one of the workarounds below:

Workaround 1: Replace apache.php from WP Toolkit 5.7

Log into the server via SSH.
Download attached apache.php file with the command:
# wget https://plesk.zendesk.com/hc/article_attachments/12387453080983/apache.php
Rename /usr/local/psa/admin/plib/modules/wp-toolkit/resources/webconfigs/apache.php file:
# mv /usr/local/psa/admin/plib/modules/wp-toolkit/resources/webconfigs/apache.php /usr/local/psa/admin/plib/modules/wp-toolkit/resources/webconfigs/apache.php_orig_58
Copy downloaded apache.php to /usr/local/psa/admin/plib/modules/wp-toolkit/resources/webconfigs/ directory:
# cp apache.php /usr/local/psa/admin/plib/modules/wp-toolkit/resources/webconfigs/apache.php
Reconfigure affected example.com domain with the command:
# plesk repair web example.com -y

In case it is required to reconfigure all domains on the server, execute the following:

# plesk repair web -y

Note: during the execution of this command the websites will be temporarily unavailable, it is recommended to execute in on the maintenance window.

Workaround 2: Disable Security measurements

Log into Plesk.
Go to WordPress > Security.
Select example.com instance and press the Revert button:
Select the following options and press the Revert button:
- Forbid execution of PHP scripts in the wp-includes directory
- Block author scan
- Enable bot protection

Note: to revert these settings for multiple WP instances, in WordPress > Security page select all required instances, press the Revert button, then perform the same actions that are described in step №4.

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