Port 220

Modified by:

Port 220 is commonly used for Secure Shell Protocol (SSH). This is a network protocol used for secure communication between devices on a network. SSH is commonly used by network administrators to connect to remote servers and devices for maintenance and management purposes. It uses encryption and authentication methods to ensure secure communication.

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 220
tcp
imap3
Interactive Mail Access v3
WELL KNOWN PORT
Port 220
udp
imap3
Interactive Mail Access v3
WELL KNOWN PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
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