What port does SSH use?

SSH uses port 22 by default. The protocol is defined in RFC 4253.

SSH :22

Secure Shell

Q: What is Secure Shell?

Secure Shell (SSH) is a Application Layer protocol in the Remote Access category. Encrypted protocol for secure remote login, command execution, and tunneling. Replaced insecure Telnet for server administration.

Application Layer — Remote Access

Ikhtisar Protokol

Nama Lengkap Secure Shell

Singkatan SSH

Lapisan OSI Application Layer

Kategori Remote Access

Port Default 22

RFC RFC 4253

Tentang SSH

Encrypted protocol for secure remote login, command execution, and tunneling. Replaced insecure Telnet for server administration.

Application Layer Remote Access Port 22

Referensi Standar

SSH didefinisikan dalam RFC 4253, diterbitkan oleh Internet Engineering Task Force (IETF). RFC adalah dokumen standar resmi untuk protokol internet dan tersedia secara bebas untuk ditinjau publik.

Protokol Terkait — Application Layer

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