Use Wireshark or similar software to capture an IP packet and analyze the header and payload of this packet. Are you able to identify the transport layer protocol and the application layer protocol?...

Use Wireshark or similar software to capture an IP packet and analyze the header and payload of this packet. Are you able to identify the transport layer protocol and the application layer protocol?

Use visualroute or traceroute to find out the infrastructure of your domain and the routes to foreign countries. (Hint: traceroute will give you a list of routers; try to identify different types of routers by their subnet addresses and round trip delays.)