Port 5820
autopassdaemon · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | autopassdaemon |
| Registered | 2022-06-10 |
| Modified | 2024-08-01 |
Frequently asked questions
What is port 5820 used for?
Port 5820 is registered with the IANA for autopassdaemon (TCP/UDP). Description: AutoPass licensing; Reserved.
Is port 5820 a well-known port?
No. Port 5820 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5820 is open?
Locally on Linux with ss -tulpn | grep ':5820\b', on Windows with netstat -ano | findstr :5820. To test a remote host use Test-NetConnection <host> -Port 5820 in PowerShell or nc -zv <host> 5820 on Linux/macOS.
How do I open port 5820 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5820/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5820/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5820" -Direction Inbound -Protocol TCP -LocalPort 5820 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | autopassdaemon | AutoPass licensing |
| UDP | – | Reserved |