Port 994
no service name · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | no service name |
| Modified | 2011-08-31 |
Frequently asked questions
What is port 994 used for?
Port 994 is registered with the IANA for no service name (TCP/UDP). Description: Reserved.
Is port 994 a well-known port?
Yes. Port 994 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 994 is open?
Locally on Linux with ss -tulpn | grep ':994\b', on Windows with netstat -ano | findstr :994. To test a remote host use Test-NetConnection <host> -Port 994 in PowerShell or nc -zv <host> 994 on Linux/macOS.
How do I open port 994 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 994/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=994/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 994" -Direction Inbound -Protocol TCP -LocalPort 994 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | – | Reserved |