Port 5264
3com-njack-1 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | 3com-njack-1 |
| Registered | 2003-03 |
Frequently asked questions
What is port 5264 used for?
Port 5264 is registered with the IANA for 3com-njack-1 (TCP/UDP). Description: 3Com Network Jack Port 1.
Is port 5264 a well-known port?
No. Port 5264 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5264 is open?
Locally on Linux with ss -tulpn | grep ':5264\b', on Windows with netstat -ano | findstr :5264. To test a remote host use Test-NetConnection <host> -Port 5264 in PowerShell or nc -zv <host> 5264 on Linux/macOS.
How do I open port 5264 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5264/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5264/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5264" -Direction Inbound -Protocol TCP -LocalPort 5264 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | 3com-njack-1 | 3Com Network Jack Port 1 |
| UDP | 3com-njack-1 | 3Com Network Jack Port 1 |