Why is 22 the default port number for SFTP?

trilawney picture trilawney · Jun 7, 2011 · Viewed 130.5k times · Source

Why is 22 the default port number for SFTP? Is there any specific reason for this?

Answer

marto picture marto · Jun 7, 2011

It's the default SSH port and SFTP is usually carried over an SSH tunnel.