Computer Networking

Computer Networking is very important aspect in securing the networks, systems and directly or indirectly, securing the organization. Hence, the knowledge of networking is must for every cybersecurity enthusiast.

It comprises of Computer Networking and Ethical Hacking Training I've taken from various platforms.

Introduction:

Why we must learn Computer Networking?

• To hack a device, one should know how computer devices interact with each other.
• Two or more devices are connected with each other to form a computer network.
• Devices are connected to each other for purpose of file sharing, resource sharing, communication, etc.
• Devices in a computer network(communicating or network devices) are called 'nodes'.

Topics Covered:

1. Classification of Computer Network

2. IP Addressing and NAT

3. Maps of the Internet

4. Ports and Services

5. Subnets

6. IP Protocols

7. Checking Open Ports on Windows

8. Understanding the TCP/UDP and IP Protocols

9. The TCP/IP Model

10. The OSI Model

11. Proxy

12. VPN

13. LoRa WAN