The server does not support the HTTP protocol version used in the request. The server is indicating that it can't or won't process the request using the same major version as the client.
The Levi's 505 Regular Fit Straight has been a wardrobe staple since 1967. A zip-fly alternative to the 501, offering the same classic straight leg with a more modern closure.
Find on Levi's ↗Your HTTP version isn't supported — you're basically showing up in 1967 jeans to a 2024 protocol negotiation. The 505 has been around since the Summer of Love, and it still works everywhere. Meanwhile, your server can't handle HTTP/1.1. The jeans have better backwards compatibility than your infrastructure.