Learn about different TCP/IP Protocols.

Learn about IP-Addresses.

Network Address Translation: From private to public IP.

Learn about the ISO/OSI (International Organization for Standardization/Open Systems Interconnection) layer model.

Carrier-Grade Network Address Translation: A technology used by ISPs to deal with the shortage of available IPv4 addresses. CGNAT restricts incoming connections, complicating self-hosting setups.

Network topologies define the layout of the network and describe how different nodes (computers, switches, routers, etc.) are connected and communicate with each other.