Fortinet FortiGuard Fortinet FortiGate-1000 3.00 build 040075,070111 allows remote attackers to bypass URL filtering via fragmented GET or POST requests that use HTTP/1.0 without the Host header. NOTE: this issue might be related to CVE-2005-3058.
https://exchange.xforce.ibmcloud.com/vulnerabilities/39684
http://www.securityfocus.com/archive/1/485813/100/200/threaded
http://www.securityfocus.com/archive/1/485794/100/200/threaded