Port 2516
maincontrol · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | maincontrol |
Frequently asked questions
What is port 2516 used for?
Port 2516 is registered with the IANA for maincontrol (TCP/UDP). Description: Main Control.
Is port 2516 a well-known port?
No. Port 2516 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 2516 is open?
Locally on Linux with ss -tulpn | grep ':2516\b', on Windows with netstat -ano | findstr :2516. To test a remote host use Test-NetConnection <host> -Port 2516 in PowerShell or nc -zv <host> 2516 on Linux/macOS.
How do I open port 2516 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 2516/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2516/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2516" -Direction Inbound -Protocol TCP -LocalPort 2516 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | maincontrol | Main Control |
| UDP | maincontrol | Main Control |