HTTP/0.9 from Scratch (2024)

a year ago

Introduction to HTTP/0.9 as part of the 'HTTP from Scratch' series.
HTTP/0.9 was the first version of HTTP, introduced in 1991, with a simple request-response model.
Key features of HTTP/0.9: Only GET method, no headers, no status codes, and simple resource path requests.
Limitations of HTTP/0.9: No headers, only GET method, no status codes, and no error handling.
Implementation of an HTTP/0.9 server in Go, handling TCP connections and simple requests.
Testing the server using curl and netcat, with Firefox being the only major browser still supporting HTTP/0.9.
Creating a simple HTTP/0.9 client in Go to interact with the server.
Conclusion highlighting the simplicity and limitations of HTTP/0.9, setting the stage for future HTTP versions.
Preview of upcoming posts covering HTTP/1.0, HTTP/1.1, HTTP/2, and HTTP/3.

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