Port 2101
rtcm-sc104 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | rtcm-sc104 |
Frequently asked questions
What is port 2101 used for?
Port 2101 is registered with the IANA for rtcm-sc104 (TCP/UDP). Description: rtcm-sc104.
Is port 2101 a well-known port?
No. Port 2101 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 2101 is open?
Locally on Linux with ss -tulpn | grep ':2101\b', on Windows with netstat -ano | findstr :2101. To test a remote host use Test-NetConnection <host> -Port 2101 in PowerShell or nc -zv <host> 2101 on Linux/macOS.
How do I open port 2101 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 2101/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2101/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2101" -Direction Inbound -Protocol TCP -LocalPort 2101 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | rtcm-sc104 | rtcm-sc104 |
| UDP | rtcm-sc104 | rtcm-sc104 |