Changing the body of a response

 
 when HTTP_REQUEST { 
  
     Only rewrite responses if request is a GET 
    if {[HTTP::method] eq "GET"}{ 
  
       set rewrite_response 1 
  
        Prevent server from compressing response content if we're potentially going to rewrite it 
          by removing the compression offerings from the client 
       HTTP::header remove "Accept-Encoding" 
  
    } else { 
       set rewrite_response 0 
    } 
 } 
  
 when HTTP_RESPONSE { 
  
     Check if the request was a GET and the response is a text content type 
    if {$rewrite_response && [HTTP::header "Content-Type"] starts_with "text/"}{ 
  
        Configure the find/replace for the stream filter and enable it 
       STREAM::expression @http://@https://@ 
       STREAM::enable 
  
    } else { 
        Disable the stream filter for this response 
       STREAM::disable 
    } 
 }