Port 22 is typically used for Secure Shell (SSH) connections. SSH is a network protocol that provides a secure way for remote access to a device, such as a server or computer. This port is commonly used for remote access and management of servers and network devices, as well as secure file transfers.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 22 |
sctp |
ssh |
SSH |
WELL KNOWN PORT |
Port 22 |
tcp |
ssh |
The Secure Shell Protocol |
WELL KNOWN PORT |
Port 22 |
udp |
ssh |
The Secure Shell Protocol |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |