Port 3406
nokia-ann-ch2 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | nokia-ann-ch2 |
| Registered | 2002-02 |
Frequently asked questions
What is port 3406 used for?
Port 3406 is registered with the IANA for nokia-ann-ch2 (TCP/UDP). Description: Nokia Announcement ch 2.
Is port 3406 a well-known port?
No. Port 3406 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3406 is open?
Locally on Linux with ss -tulpn | grep ':3406\b', on Windows with netstat -ano | findstr :3406. To test a remote host use Test-NetConnection <host> -Port 3406 in PowerShell or nc -zv <host> 3406 on Linux/macOS.
How do I open port 3406 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3406/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3406/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3406" -Direction Inbound -Protocol TCP -LocalPort 3406 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | nokia-ann-ch2 | Nokia Announcement ch 2 |
| UDP | nokia-ann-ch2 | Nokia Announcement ch 2 |