Intercept client request to fix broken app

   when HTTP_REQUEST {            
        if {[HTTP::method] equals "OPTIONS" } {     
          log local0. "OPTIONS method detected"     
          if  {[HTTP::uri] equals "/xxx/authentication/AuthenticationServlet"} {     
              log local0. "uri equals /xxx/authentication/AuthenticationServlet!"     
              if {[HTTP::version] eq "1.1" } {            
                log local0. "intercept response !"     
               HTTP::respond 200 "Allow" "GET, HEAD, POST, TRACE, OPTIONS"             
              }            
            }       
        }     
     }  

 curl -v -X OPTIONS http://xxx/xxx/authentication/AuthenticationServlet  
  * About to connect() to xxx port 80  
  *   Trying 10.0.0.26... connected  
  * Connected to xxx (10.0.0.26) port 80  
  > OPTIONS /xxx/authentication/AuthenticationServlet HTTP/1.1  
  > User-Agent: curl/7.15.3 (i686-redhat-linux-gnu) libcurl/7.15.3 OpenSSL/0.9.7l zlib/1.1.4  
  > Host: xxx  
  > Accept: */*  
  >   
  < HTTP/1.0 200 OK  
  < Allow: GET, HEAD, POST, TRACE, OPTIONS 
  < Server: BigIP  
  * HTTP/1.0 connection set to keep alive!  
  < Connection: Keep-Alive  
  < Content-Length: 0  
  * Connection 0 to host xxx left intact  
  * Closing connection 0