Port 41
graphics · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | graphics |
Frequently asked questions
What is port 41 used for?
Port 41 is registered with the IANA for graphics (TCP/UDP). Description: Graphics.
Is port 41 a well-known port?
Yes. Port 41 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 41 is open?
Locally on Linux with ss -tulpn | grep ':41\b', on Windows with netstat -ano | findstr :41. To test a remote host use Test-NetConnection <host> -Port 41 in PowerShell or nc -zv <host> 41 on Linux/macOS.
How do I open port 41 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 41/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=41/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 41" -Direction Inbound -Protocol TCP -LocalPort 41 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | graphics | Graphics |
| UDP | graphics | Graphics |