Port 747
fujitsu-dev · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | fujitsu-dev |
Frequently asked questions
What is port 747 used for?
Port 747 is registered with the IANA for fujitsu-dev (TCP/UDP). Description: Fujitsu Device Control.
Is port 747 a well-known port?
Yes. Port 747 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 747 is open?
Locally on Linux with ss -tulpn | grep ':747\b', on Windows with netstat -ano | findstr :747. To test a remote host use Test-NetConnection <host> -Port 747 in PowerShell or nc -zv <host> 747 on Linux/macOS.
How do I open port 747 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 747/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=747/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 747" -Direction Inbound -Protocol TCP -LocalPort 747 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | fujitsu-dev | Fujitsu Device Control |
| UDP | fujitsu-dev | Fujitsu Device Control |