Port 2222: EtherNet/IP
Port 2222 is officially registered for EtherNet/IP implicit messaging, an industrial automation protocol built on standard Ethernet. The same number is also a popular unofficial convention for an alternate SSH port on servers that want to avoid the noise on port 22.
| Port number | 2222 |
|---|---|
| Service | EtherNet/IP implicit messaging |
| Protocol | TCP/UDP |
| Category | IoT & automation |
| Default encryption | No |
Frequently asked questions
What is port 2222 used for?
Port 2222 is officially registered for EtherNet/IP implicit messaging, an industrial automation protocol built on standard Ethernet. The same number is also a popular unofficial convention for an alternate SSH port on servers that want to avoid the noise on port 22.
Is port 2222 TCP or UDP?
Port 2222 (EtherNet/IP) uses TCP/UDP.
Is port 2222 secure?
Port 2222 is not encrypted by default. Where possible, use an encrypted alternative or tunnel it over TLS or a VPN.
Should I open port 2222 on my firewall?
Only if you specifically need EtherNet/IP. Expose it to the smallest set of trusted sources, and never open database or Windows-service ports to the whole internet.