Port 2839

nmsigport · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicenmsigport

Frequently asked questions

What is port 2839 used for?

Port 2839 is registered with the IANA for nmsigport (TCP/UDP). Description: NMSigPort.

Is port 2839 a well-known port?

No. Port 2839 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2839 is open?

Locally on Linux with ss -tulpn | grep ':2839\b', on Windows with netstat -ano | findstr :2839. To test a remote host use Test-NetConnection <host> -Port 2839 in PowerShell or nc -zv <host> 2839 on Linux/macOS.

How do I open port 2839 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2839/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2839/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2839" -Direction Inbound -Protocol TCP -LocalPort 2839 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPnmsigportNMSigPort
UDPnmsigportNMSigPort

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