I checked also my Error Logs… could be this error but I am not sure:
[Sat Nov 22 04:26:52 2014] [error] [client 89.248.172.139] ModSecurity: Access denied with code 406 (phase 1). Pattern match “Mozilla\\\\/5\\\\.0 \\\\(Windows; U; Windows NT 5\\\\.1; ru; rv:1\\\\.9\\\\.0\\\\.2\\\\) Gecko\\\\/2008091620 Firefox\\\\/3\\\\.0\\\\.2” at REQUEST_HEADERS:User-Agent. [file “/etc/httpd/modsecurity.d/eig_rules.conf”] [line “58”] [id “900228”] [msg “WordPress Brute Force :: Firefox 8”] [hostname “needthiswantthat.com”] [uri “/wp-login.php/”] [unique_id “VHBy-EXDfMQAAGg9@IAAAAEC”]
[Sat Nov 22 04:26:53 2014] [error] [client 144.76.137.226] ModSecurity: Access denied with code 406 (phase 1). Pattern match “Mozilla\\\\/5\\\\.0 \\\\(compatible; MJ12bot\\\\/v\\\\d+.\\\\d+\\\\.\\\\d+; http:\\\\/\\\\/www\\\\.majestic12\\\\.co\\\\.uk\\\\/bot\\\\.php\\\\?\\\\+\\\\)” at REQUEST_HEADERS:User-Agent. [file “/etc/httpd/modsecurity.d/eig_rules.conf”] [line “110”] [id “900167”] [msg “MJ12Bot Crawler”] [hostname “www.boardsforbros.us”] [uri “/robots.txt”] [unique_id “VHBy-UXDfMQAAGnJB68AAAGE”]