Port 6671

p4p-portal · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicep4p-portal
Registered2008-07-28

Frequently asked questions

What is port 6671 used for?

Port 6671 is registered with the IANA for p4p-portal (TCP/UDP). Description: P4P Portal Service.

Is port 6671 a well-known port?

No. Port 6671 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 6671 is open?

Locally on Linux with ss -tulpn | grep ':6671\b', on Windows with netstat -ano | findstr :6671. To test a remote host use Test-NetConnection <host> -Port 6671 in PowerShell or nc -zv <host> 6671 on Linux/macOS.

How do I open port 6671 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 6671/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6671/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6671" -Direction Inbound -Protocol TCP -LocalPort 6671 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPp4p-portalP4P Portal Service
UDPp4p-portalP4P Portal Service

Nearby entries