// REFERENCE
Port 22 (SSH)
Protocol: TCP
Service: SSH
Medium risk
SSH: encrypted remote administration and the base for SFTP/SCP. When exposed it faces constant brute force: use keys (not passwords), disable root and consider changing the port or a bastion.
Related tools
Work with this in:
Related
23
Port 23 (Telnet) 1194
Port 1194 (OpenVPN) 1723
Port 1723 (PPTP VPN) 2222
Port 2222 (alternate SSH) 3389
Port 3389 (RDP) 5900
Port 5900 (VNC)
Port 23 (Telnet) 1194
Port 1194 (OpenVPN) 1723
Port 1723 (PPTP VPN) 2222
Port 2222 (alternate SSH) 3389
Port 3389 (RDP) 5900
Port 5900 (VNC)
Assignments per the IANA port registry. Educational content.