WebSocket

Application Layer — Web

Protocol Overview

Full Name WebSocket

Abbreviation WS

OSI Layer Application Layer

Category Web

Default Port 80, 443

RFC RFC 6455

About WS

Full-duplex communication protocol over a single TCP connection. Enables real-time bidirectional data exchange between client and server.

Application Layer Web Port 80, 443

Standards Reference

WS is defined in RFC 6455, published by the Internet Engineering Task Force (IETF). RFCs are the official standards documents for internet protocols and are freely available for public review.

Related Protocols — Application Layer

HTTP Hypertext Transfer Protocol HTTPS HTTP Secure HTTP/2 HTTP/2 HTTP/3 HTTP/3 SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol POP3 Post Office Protocol v3 FTP File Transfer Protocol