Port 494
pov-ray · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | pov-ray |
Frequently asked questions
What is port 494 used for?
Port 494 is registered with the IANA for pov-ray (TCP/UDP). Description: POV-Ray.
Is port 494 a well-known port?
Yes. Port 494 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 494 is open?
Locally on Linux with ss -tulpn | grep ':494\b', on Windows with netstat -ano | findstr :494. To test a remote host use Test-NetConnection <host> -Port 494 in PowerShell or nc -zv <host> 494 on Linux/macOS.
How do I open port 494 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 494/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=494/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 494" -Direction Inbound -Protocol TCP -LocalPort 494 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | pov-ray | POV-Ray |
| UDP | pov-ray | POV-Ray |