Port 24666
sdtvwcam · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | sdtvwcam |
| Registered | 2015-03-04 |
Frequently asked questions
What is port 24666 used for?
Port 24666 is registered with the IANA for sdtvwcam (TCP/UDP). Description: Service used by SmarDTV to communicate between a CAM and a second screen application; Reserved.
Is port 24666 a well-known port?
No. Port 24666 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 24666 is open?
Locally on Linux with ss -tulpn | grep ':24666\b', on Windows with netstat -ano | findstr :24666. To test a remote host use Test-NetConnection <host> -Port 24666 in PowerShell or nc -zv <host> 24666 on Linux/macOS.
How do I open port 24666 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 24666/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=24666/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 24666" -Direction Inbound -Protocol TCP -LocalPort 24666 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | sdtvwcam | Service used by SmarDTV to communicate between a CAM and a second screen application |
| UDP | – | Reserved |