那年江湖,遇见你
HTTP 0.9 https://www.w3.org/Protocols/HTTP/AsImplemented.html
HTTP 1.0 RFC https://www.ietf.org/rfc/rfc1945.txt
HTTP 1.1 RFC https://www.ietf.org/rfc/rfc2616.txt
HTTP 2.0 RFC https://www.ietf.org/rfc/rfc7540.txt
(IETF Documents && IETF Datatracker)