Port 8881
galaxy4d · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | galaxy4d |
| Registered | 2012-06-18 |
Frequently asked questions
What is port 8881 used for?
Port 8881 is registered with the IANA for galaxy4d (TCP/UDP). Description: Galaxy4D Online Game Engine; Reserved.
Is port 8881 a well-known port?
No. Port 8881 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 8881 is open?
Locally on Linux with ss -tulpn | grep ':8881\b', on Windows with netstat -ano | findstr :8881. To test a remote host use Test-NetConnection <host> -Port 8881 in PowerShell or nc -zv <host> 8881 on Linux/macOS.
How do I open port 8881 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 8881/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8881/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8881" -Direction Inbound -Protocol TCP -LocalPort 8881 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | galaxy4d | Galaxy4D Online Game Engine |
| UDP | – | Reserved |