Port 8266
espeasy-p2p · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | espeasy-p2p |
| Registered | 2018-11-28 |
Frequently asked questions
What is port 8266 used for?
Port 8266 is registered with the IANA for espeasy-p2p (TCP/UDP). Description: Reserved; ESPeasy peer-2-peer communication.
Is port 8266 a well-known port?
No. Port 8266 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 8266 is open?
Locally on Linux with ss -tulpn | grep ':8266\b', on Windows with netstat -ano | findstr :8266. To test a remote host use Test-NetConnection <host> -Port 8266 in PowerShell or nc -zv <host> 8266 on Linux/macOS.
How do I open port 8266 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 8266/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8266/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8266" -Direction Inbound -Protocol TCP -LocalPort 8266 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | espeasy-p2p | ESPeasy peer-2-peer communication |