Implementing a simple TCP server using Python’s socket.

And select modules for learning, experimentation, and custom lightweight use cases.

Image generated with AI, style Brain rot, (which I invented).

A TCP server is a program that listens for incoming TCP connections on a specific IP address and port.
It utilizes the Transmission Control Protocol (TCP), which ensures the reliable, ordered, and error-checked delivery of data between computers.

The image is quite old, but remains the same. The most popular web server software today is Nginx, followed closely by Apache HTTP Server.

Where is a TCP server needed?

• Web servers (such as Apache, Nginx, Flask, and Django) use TCP to serve web pages.
• Database servers (like MySQL, PostgreSQL) use TCP to communicate with clients.
• File servers, chat servers, game servers, APIs, IoT devices, and many other networked applications.

Why is a TCP server needed?

• To allow clients (other computers or devices) to connect and exchange data reliably.
• TCP ensures data arrives intact and in order, making it ideal for most network applications.
• It enables multi-client communication, remote…