Protocol
HTTP/1.1
Hypertext Transfer Protocol
HTTP/1.1 request/response application protocol over TCP (or TLS). Methods, headers, and optional chunked transfer encoding define the message model; keep-alive reuses connections. It remains ubiquitous even where HTTP/2 and HTTP/3 dominate browsers.
Domains
Layers
Tags
restheaderswebrequest-response
Sources
- RFC 9112 (HTTP/1.1)
Related protocols
HTTP/2
Lab readyMultiplexed binary framing over a single TLS/TCP connection with streams, HPACK headers, and flow-control windows. It underpins gRPC and …
TLS
Lab readyTransport Layer Security provides a record layer and handshake for confidentiality and integrity on TCP apps. Certificates, AEAD ciphers,…
TCP
Lab readyReliable, ordered byte-stream transport with ports, sequence/ack numbers, windowing, and congestion control. Three-way handshake and four…
WebSocket
Lab readyFull-duplex message framing upgraded from HTTP, with opcode, mask bit, and payload-length fields. Browsers use it for signaling and live …