Port 20012
ss-idi-disc · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | ss-idi-disc |
Frequently asked questions
What is port 20012 used for?
Port 20012 is registered with the IANA for ss-idi-disc (TCP/UDP). Description: Reserved; Samsung Interdevice Interaction discovery.
Is port 20012 a well-known port?
No. Port 20012 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 20012 is open?
Locally on Linux with ss -tulpn | grep ':20012\b', on Windows with netstat -ano | findstr :20012. To test a remote host use Test-NetConnection <host> -Port 20012 in PowerShell or nc -zv <host> 20012 on Linux/macOS.
How do I open port 20012 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 20012/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=20012/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 20012" -Direction Inbound -Protocol TCP -LocalPort 20012 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | ss-idi-disc | Samsung Interdevice Interaction discovery |