Added close connection to port 80

mod/dynamicproxy/dynamicproxy.go

@@ -191,7 +191,24 @@ func (router *Router) StartProxyService() error {
 							w.Write([]byte("400 - Bad Request"))
 						} else {
 							//No defined sub-domain
-							http.NotFound(w, r)
+							if router.Root.DefaultSiteOption == DefaultSite_NoResponse {
+								//No response. Just close the connection
+								hijacker, ok := w.(http.Hijacker)
+								if !ok {
+									w.Header().Set("Connection", "close")
+									return
+								}
+								conn, _, err := hijacker.Hijack()
+								if err != nil {
+									w.Header().Set("Connection", "close")
+									return
+								}
+								conn.Close()
+							} else {
+								//Default behavior
+								http.NotFound(w, r)
+							}
+
 						}
 
 					}