Port 1840
netopia-vo2 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | netopia-vo2 |
Frequently asked questions
What is port 1840 used for?
Port 1840 is registered with the IANA for netopia-vo2 (TCP/UDP). Description: netopia-vo2.
Is port 1840 a well-known port?
No. Port 1840 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1840 is open?
Locally on Linux with ss -tulpn | grep ':1840\b', on Windows with netstat -ano | findstr :1840. To test a remote host use Test-NetConnection <host> -Port 1840 in PowerShell or nc -zv <host> 1840 on Linux/macOS.
How do I open port 1840 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1840/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1840/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1840" -Direction Inbound -Protocol TCP -LocalPort 1840 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | netopia-vo2 | netopia-vo2 |
| UDP | netopia-vo2 | netopia-vo2 |