Port 6321
emp-server1 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | emp-server1 |
Frequently asked questions
What is port 6321 used for?
Port 6321 is registered with the IANA for emp-server1 (TCP/UDP). Description: Empress Software Connectivity Server 1.
Is port 6321 a well-known port?
No. Port 6321 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 6321 is open?
Locally on Linux with ss -tulpn | grep ':6321\b', on Windows with netstat -ano | findstr :6321. To test a remote host use Test-NetConnection <host> -Port 6321 in PowerShell or nc -zv <host> 6321 on Linux/macOS.
How do I open port 6321 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 6321/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6321/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6321" -Direction Inbound -Protocol TCP -LocalPort 6321 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | emp-server1 | Empress Software Connectivity Server 1 |
| UDP | emp-server1 | Empress Software Connectivity Server 1 |