fixed issue with ports opening

processing.go

@@ -88,7 +88,13 @@ func (target *ScanTarget) OpenTLS(baseFlags *BaseFlags, tlsFlags *TLSFlags) (*TL
 // OpenUDP connects to the ScanTarget using the configured flags, and returns a net.Conn that uses the configured timeouts for Read/Write operations.
 // Note that the UDP "connection" does not have an associated timeout.
 func (target *ScanTarget) OpenUDP(flags *BaseFlags, udp *UDPFlags) (net.Conn, error) {
-	var port uint = *target.Port | flags.Port
+	var port uint
+	// If the port is supplied in ScanTarget, let that override the cmdline option
+	if target.Port != nil {
+		port = *target.Port
+	} else {
+		port = flags.Port
+	}
 
 	address := net.JoinHostPort(target.Host(), fmt.Sprintf("%d", port))
 	var local *net.UDPAddr