Port 3139

incognitorv · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceincognitorv

Frequently asked questions

What is port 3139 used for?

Port 3139 is registered with the IANA for incognitorv (TCP/UDP). Description: Incognito Rendez-Vous.

Is port 3139 a well-known port?

No. Port 3139 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3139 is open?

Locally on Linux with ss -tulpn | grep ':3139\b', on Windows with netstat -ano | findstr :3139. To test a remote host use Test-NetConnection <host> -Port 3139 in PowerShell or nc -zv <host> 3139 on Linux/macOS.

How do I open port 3139 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3139/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3139/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3139" -Direction Inbound -Protocol TCP -LocalPort 3139 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPincognitorvIncognito Rendez-Vous
UDPincognitorvIncognito Rendez-Vous

Nearby entries