Glossary term
What is ALPN? Meaning for developers
ALPN stands for ALPN (Application-Layer Protocol Negotiation).
A TLS field where client and server agree which protocol to speak, such as h2 or http/1.1.
Learn it properly · Networking for DevelopersLesson 4: HTTP/1.1, HTTP/2 and HTTP/3Requests and responses on the wire, keep-alive, head-of-line blocking, multiplexing, QUIC, and what changes for you as a developer.