Code:
Not Acceptable An appropriate representation of the requested resource /cgi-bin/os000001.pl could not be found on this server. Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Backup your .htaccess file if you have one in the 'webroot' directory, this is commonly known as 'http' or 'htdocs' folder.Then make a ‘.htaccess’ file with the following content and upload it to your 'webroot' directory.
Code:
<IfModule mod_security.c> SecFilterEngine Off SecFilterScanPOST Off </IfModule>