mod_security: Access denied error code 403

Error :

You might come across the following error in the apache error logs :

mod_security: Access denied with code 403. Error reading request body, error code 70007:
The timeout specified has expired

Fix :

1. Open the Apache configuration file.

root@server1 [~]#vi /usr/local/apache/conf/httpd.conf

2. Change the Timeout value to 300

# Defined in /var/cpanel/cpanel.config: apache_port
Listen 0.0.0.0:80
Timeout 300
User nobody
Group nobody

3. Restart Apache.

root@server1 [~]# /etc/init.d/httpd restart

This should fix the issue.