- protocol resides in config, not in command line argument

main.go

@@ -230,7 +230,7 @@ func processPacket(packet gopacket.Packet) {
 		CreatedAt: packet.Metadata().CaptureInfo.Timestamp.UnixNano(),
 	}
 
-	switch *protocol {
+	switch config.Protocol {
 	case "http":
 		processHTTP(&request, applicationLayer.Payload())
 	case "ajp13":