Port 11877
x2e-disc · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | x2e-disc |
| Registered | 2010-09-13 |
Frequently asked questions
What is port 11877 used for?
Port 11877 is registered with the IANA for x2e-disc (TCP/UDP). Description: Reserved; X2E service discovery protocol.
Is port 11877 a well-known port?
No. Port 11877 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 11877 is open?
Locally on Linux with ss -tulpn | grep ':11877\b', on Windows with netstat -ano | findstr :11877. To test a remote host use Test-NetConnection <host> -Port 11877 in PowerShell or nc -zv <host> 11877 on Linux/macOS.
How do I open port 11877 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 11877/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=11877/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 11877" -Direction Inbound -Protocol TCP -LocalPort 11877 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | x2e-disc | X2E service discovery protocol |