TCP Chat — NetCat Clone

A Go-based TCP chat application that recreates the core behavior of NetCat (nc) using a client–server architecture.
Multiple clients can connect to a single server and communicate in a real-time group chat.

This project simulates NetCat in server mode, enabling:

• Multiple TCP clients
• Real-time message broadcasting
• User identification
• Connection management

Prerequisites

• Go installed (go1.20+ recommended)
• nc (NetCat) installed

Run the Server

cd net-cat
go run main.go (default Port is 1234)
OR
go run main.go $port

Open another terminal:

nc localhost 1234

The program will ask you about your name Username Rules Allowed:

• A–Z, a–z, -
• No spaces or numbers
• Use - to join anonymously

Done By:

• Zakaria Abdelali
• Abdelouahab Khiri