Port 2551

isg-uda-server · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceisg-uda-server

Frequently asked questions

What is port 2551 used for?

Port 2551 is registered with the IANA for isg-uda-server (TCP/UDP). Description: ISG UDA Server.

Is port 2551 a well-known port?

No. Port 2551 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2551 is open?

Locally on Linux with ss -tulpn | grep ':2551\b', on Windows with netstat -ano | findstr :2551. To test a remote host use Test-NetConnection <host> -Port 2551 in PowerShell or nc -zv <host> 2551 on Linux/macOS.

How do I open port 2551 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2551/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2551/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2551" -Direction Inbound -Protocol TCP -LocalPort 2551 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPisg-uda-serverISG UDA Server
UDPisg-uda-serverISG UDA Server

Nearby entries