Port 2222
EtherNet-IP-1 and EtherNet/IP-1 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | EtherNet-IP-1 and EtherNet/IP-1 |
Frequently asked questions
What is port 2222 used for?
Port 2222 is registered with the IANA for EtherNet-IP-1 and EtherNet/IP-1 (TCP/UDP). Description: EtherNet/IP I/O IANA assigned this well-formed service name as a replacement for "EtherNet/IP-1".; EtherNet/IP I/O.
Is port 2222 a well-known port?
No. Port 2222 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 2222 is open?
Locally on Linux with ss -tulpn | grep ':2222\b', on Windows with netstat -ano | findstr :2222. To test a remote host use Test-NetConnection <host> -Port 2222 in PowerShell or nc -zv <host> 2222 on Linux/macOS.
How do I open port 2222 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 2222/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2222/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2222" -Direction Inbound -Protocol TCP -LocalPort 2222 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | EtherNet-IP-1 | EtherNet/IP I/O IANA assigned this well-formed service name as a replacement for "EtherNet/IP-1". |
| TCP | EtherNet/IP-1 | EtherNet/IP I/O |
| UDP | EtherNet-IP-1 | EtherNet/IP I/O IANA assigned this well-formed service name as a replacement for "EtherNet/IP-1". |
| UDP | EtherNet/IP-1 | EtherNet/IP I/O |