Port 18668
vdmmesh and vdmmesh-disc · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | vdmmesh and vdmmesh-disc |
| Registered | 2016-10-31 |
Frequently asked questions
What is port 18668 used for?
Port 18668 is registered with the IANA for vdmmesh and vdmmesh-disc (TCP/UDP). Description: Manufacturing Execution Systems Mesh Communication.
Is port 18668 a well-known port?
No. Port 18668 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 18668 is open?
Locally on Linux with ss -tulpn | grep ':18668\b', on Windows with netstat -ano | findstr :18668. To test a remote host use Test-NetConnection <host> -Port 18668 in PowerShell or nc -zv <host> 18668 on Linux/macOS.
How do I open port 18668 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 18668/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=18668/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 18668" -Direction Inbound -Protocol TCP -LocalPort 18668 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | vdmmesh | Manufacturing Execution Systems Mesh Communication |
| UDP | vdmmesh-disc | Manufacturing Execution Systems Mesh Communication |