Unable to edit document on the website: Request body no files data length is larger than the configured limit

Symptoms

• Unable to upload a file on the website. The following error is shown in a browser:

  CONFIG_TEXT: 413 Request entity too large

  OR

  CONFIG_TEXT: Request Entity Too Large
  The requested resource
  /upload-a-file/
  does not allow request data with POST requests, or the amount of data provided in the request exceeds the capacity limit.

• ModSecurity is installed on the server.

• The following error can be found in %plesk_vhosts%/system/example.com/logs/error_log:

  CONFIG_TEXT: [:error] [pid 21701] [client 92.50.125.210] ModSecurity: Request body no files data length is larger than the configured limit (1048576).. Deny with code (413) [hostname "www.example.com"] [uri "/wp-admin/admin-ajax.php"] [unique_id "Wakfj-fvNMmcLKLp-n8PjQAAAAE"]

Cause

SecRequestBodyNoFilesLimit parameter value reached its limit.

Resolution

1. Log in to Plesk server using SSH.

2. Open file /etc/httpd/conf/modsecurity.d/rules/tortix/modsec/tortix_waf.conf or /etc/httpd/conf.d/mod_security.conf using a text editor.

3. Set required value for SecRequestBodyNoFilesLimit:

   CONFIG_TEXT: SecRequestBodyNoFilesLimit 10000000

   Note: The value for SecRequestBodyNoFilesLimit parameter is specified in Bytes.

4. Restart Apache web server:

   # service httpd restart