Known Issue: HTTP requests missing the version field are reported as bad HTTP requests by BIG-IP ASM

(SOL11841) When the BIG-IP ASM processes an HTTP requestthat does not specify the HTTP version, the BIG-IP ASM bd process logs the request to the PROXY_LOG and sends the Learning Manager a message indicating that the request contains a bad HTTP version. Note: The HTTP RFC specifies that if the version field is not included in the request, the recipient should assume the message is in the HTTP/0.9 format. F5 Product Development tracked this issue as ID 225808 (formerly CR140219) and it was fixed in BIG-IP