Port 2478

ssm-cssps · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicessm-cssps

Frequently asked questions

What is port 2478 used for?

Port 2478 is registered with the IANA for ssm-cssps (TCP/UDP). Description: SecurSight Authentication Server (SSL).

Is port 2478 a well-known port?

No. Port 2478 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2478 is open?

Locally on Linux with ss -tulpn | grep ':2478\b', on Windows with netstat -ano | findstr :2478. To test a remote host use Test-NetConnection <host> -Port 2478 in PowerShell or nc -zv <host> 2478 on Linux/macOS.

How do I open port 2478 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2478/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2478/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2478" -Direction Inbound -Protocol TCP -LocalPort 2478 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPssm-csspsSecurSight Authentication Server (SSL)
UDPssm-csspsSecurSight Authentication Server (SSL)

Nearby entries