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Networking Basics

We had a session on basics of networking. This post has links and materials which you might want to refer to after the session.

What did we cover?

What is Internet?

  • Example of college Internet

Protocols - how do they work in reality?

  • Explain some basic protocols and their importance

Common networking terms:

  • Host, port, nic, interface, router, switch, hub

What happens when you type google.com?

What is NAT?

What is a proxy server?

Network debugging tools and how they are used?

  • Commands to cover: ping, ifconfig, iwconfig, traceroute, arp

Converting your linux system to a router and what you can do with it.


  • Ssh , VPN


SSH Tunnel and socks proxy

Network scanning tools

  • fping, nmap