Port 3822
acp-discovery · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | acp-discovery |
Frequently asked questions
What is port 3822 used for?
Port 3822 is registered with the IANA for acp-discovery (TCP/UDP). Description: Compute Pool Discovery.
Is port 3822 a well-known port?
No. Port 3822 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3822 is open?
Locally on Linux with ss -tulpn | grep ':3822\b', on Windows with netstat -ano | findstr :3822. To test a remote host use Test-NetConnection <host> -Port 3822 in PowerShell or nc -zv <host> 3822 on Linux/macOS.
How do I open port 3822 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3822/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3822/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3822" -Direction Inbound -Protocol TCP -LocalPort 3822 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | acp-discovery | Compute Pool Discovery |
| UDP | acp-discovery | Compute Pool Discovery |