Port 2397
ncl · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | ncl |
Frequently asked questions
What is port 2397 used for?
Port 2397 is registered with the IANA for ncl (TCP/UDP). Description: NCL.
Is port 2397 a well-known port?
No. Port 2397 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 2397 is open?
Locally on Linux with ss -tulpn | grep ':2397\b', on Windows with netstat -ano | findstr :2397. To test a remote host use Test-NetConnection <host> -Port 2397 in PowerShell or nc -zv <host> 2397 on Linux/macOS.
How do I open port 2397 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 2397/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2397/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2397" -Direction Inbound -Protocol TCP -LocalPort 2397 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | ncl | NCL |
| UDP | ncl | NCL |