Port 580
sntp-heartbeat · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | sntp-heartbeat |
Frequently asked questions
What is port 580 used for?
Port 580 is registered with the IANA for sntp-heartbeat (TCP/UDP). Description: SNTP HEARTBEAT.
Is port 580 a well-known port?
Yes. Port 580 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 580 is open?
Locally on Linux with ss -tulpn | grep ':580\b', on Windows with netstat -ano | findstr :580. To test a remote host use Test-NetConnection <host> -Port 580 in PowerShell or nc -zv <host> 580 on Linux/macOS.
How do I open port 580 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 580/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=580/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 580" -Direction Inbound -Protocol TCP -LocalPort 580 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | sntp-heartbeat | SNTP HEARTBEAT |
| UDP | sntp-heartbeat | SNTP HEARTBEAT |