Port 1222 is commonly used for Secure Shell (SSH) traffic. It is an alternative port number to the default port 22, often used for improved security measures or to avoid conflicts with other services using port 22.
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 1222 | tcp | nerv | SNI R&D network | REGISTERED PORT |
| Port 1222 | udp | nerv | SNI R&D network | REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
| Port | Protocol (TCP/UDP) | Description |
| Port 1222 | Suptechnology ERP 2.0 |