Print Page - Site on Plesk is not available: ModSecurity: Response body too large

Title: Site on Plesk is not available: ModSecurity: Response body too large
Post by: mahesh on Dec 31, 2024, 06:25 AM

Symptoms
1.Domain is not available with the following error shown:

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500
Internal Server Error

2.The following messages can be found in Domains > example.com > Logs or in /var/www/vhosts/example.com/logs/error.log file:

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[error] [client 203.0.113.2] ModSecurity: Output filter: Response body too large (over limit of 524288, total not specified). [hostname "www.example.com"] [uri "/index.php"] [unique_id "W*****U43-wA*****G"]

Cause
Domain exceeded the default SecResponseBodyLimit parameter for ModSecurity (512 Kb).
Resolution

For domain

1.Log in to Plesk.

2.Navigate to Domains > example.com > Apache & nginx Settings

3.Add the following line to Additional directives for HTTP and to Additional directives for HTTPS:

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<IfModule mod_security2.c>
SecResponseBodyLimit 536870912
</IfModule>

4.Press Apply .

Cobra Forum

Plesk Panel => Webserver => Topic started by: mahesh on Dec 31, 2024, 06:25 AM