# Network Communication, IP Addresses and Ports

The address finds the computer. The port finds the program.

![Cheat sheet: Network Communication, IP Addresses and Ports](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/5b523102d42b468ba2b26bfca254bae9.webp)

- Category: C#
- Level: Novice
- Tags: Client and Server, Domain Name, IP Address, launchSettings.json, Localhost and Ports, Protocol (web-development), web-development
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/network-communication-in-csharp-an-overview-cheat-sheet