Port 2423
rnrp · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | rnrp |
Frequently asked questions
What is port 2423 used for?
Port 2423 is registered with the IANA for rnrp (TCP/UDP). Description: RNRP.
Is port 2423 a well-known port?
No. Port 2423 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 2423 is open?
Locally on Linux with ss -tulpn | grep ':2423\b', on Windows with netstat -ano | findstr :2423. To test a remote host use Test-NetConnection <host> -Port 2423 in PowerShell or nc -zv <host> 2423 on Linux/macOS.
How do I open port 2423 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 2423/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2423/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2423" -Direction Inbound -Protocol TCP -LocalPort 2423 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | rnrp | RNRP |
| UDP | rnrp | RNRP |