Port 8011

bier-echo · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicebier-echo
ReferenceRFC-ietf-bier-ping-29
Registered2026-10-22

Frequently asked questions

What is port 8011 used for?

Port 8011 is registered with the IANA for bier-echo (TCP/UDP). Description: The UDP destination port number for the IP/UDP encapsulated BIER Echo Reply message.; Reserved.

Is port 8011 a well-known port?

No. Port 8011 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 8011 is open?

Locally on Linux with ss -tulpn | grep ':8011\b', on Windows with netstat -ano | findstr :8011. To test a remote host use Test-NetConnection <host> -Port 8011 in PowerShell or nc -zv <host> 8011 on Linux/macOS.

How do I open port 8011 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 8011/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8011/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8011" -Direction Inbound -Protocol TCP -LocalPort 8011 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
UDPbier-echoThe UDP destination port number for the IP/UDP encapsulated BIER Echo Reply message.
TCP–Reserved

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