Port 20005
openwebnet · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | openwebnet |
| Registered | 2008-04-09 |
Frequently asked questions
What is port 20005 used for?
Port 20005 is registered with the IANA for openwebnet (TCP/UDP). Description: OpenWebNet protocol for electric network.
Is port 20005 a well-known port?
No. Port 20005 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 20005 is open?
Locally on Linux with ss -tulpn | grep ':20005\b', on Windows with netstat -ano | findstr :20005. To test a remote host use Test-NetConnection <host> -Port 20005 in PowerShell or nc -zv <host> 20005 on Linux/macOS.
How do I open port 20005 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 20005/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=20005/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 20005" -Direction Inbound -Protocol TCP -LocalPort 20005 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | openwebnet | OpenWebNet protocol for electric network |
| UDP | openwebnet | OpenWebNet protocol for electric network |