Plesk error: Invalid command 'ProxyTimeout'

[mahesh]

Symptoms

• Plesk shows the following error:

AN00526: Syntax error on line 112 of /etc/httpd/conf/plesk.conf.d/server.conf: Invalid command 'ProxyTimeout', perhaps, misspelled or defined by module not included in the server configuration.

• There are configuration errors in the Plesk database like:

plesk db -e"select * from Configurations where status='error'\G"

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#httpd: Syntax error on line 56 of /etc/httpd/conf/httpd.conf: Syntax error on line 2 of /etc/httpd/conf.modules.d/00-proxy.conf: Cannot load modules/mod_proxy.so into server: /etc/httpd/modules/mod_proxy.so: file too short
Cannot load modules/mod_proxy.so into server: /etc/httpd/modules/mod_proxy_fcgi.so: file too short

• Some websites do not work:

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File Not found

• Some websites show webmail pages instead of web content.

• PHP files are downloaded by the web browser instead of being opened.

Cause
The mentioned Apache modules are disabled or corrupted.

Resolution
1.Connect to the server via SSH

2.Open the /etc/httpd/conf.modules.d/00-proxy.conf file to edit:

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#vi /etc/httpd/conf.modules.d/00-proxy.conf
3.Uncomment the modules from the error if required. For example, change:

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#LoadModule proxy_module modules/mod_proxy.so
#LoadModule proxy_module modules/mod_proxy_fcgi.so
into:

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LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_module modules/mod_proxy_fcgi.so
4.Restart the Apache service:

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#systemctl restart httpd
Note: Only if the issue persists or the modules weren't commented out, please proceed as follows.

5.Create a backup of the corrupted files:

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# mv /etc/httpd/modules/mod_proxy.so{,.old}

# mv /etc/httpd/modules/mod_proxy_fcgi.so{,.old}
6.Reinstall the httpd package to fix the files:

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#yum reinstall httpd