Port 8981
nod-client · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | nod-client |
| Registered | 2015-02-22 |
Frequently asked questions
What is port 8981 used for?
Port 8981 is registered with the IANA for nod-client (TCP/UDP). Description: Network of Devices Client; Reserved.
Is port 8981 a well-known port?
No. Port 8981 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 8981 is open?
Locally on Linux with ss -tulpn | grep ':8981\b', on Windows with netstat -ano | findstr :8981. To test a remote host use Test-NetConnection <host> -Port 8981 in PowerShell or nc -zv <host> 8981 on Linux/macOS.
How do I open port 8981 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 8981/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8981/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8981" -Direction Inbound -Protocol TCP -LocalPort 8981 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| UDP | nod-client | Network of Devices Client |
| TCP | – | Reserved |