Port 2477

ssm-cvs · TCP/UDP

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

Frequently asked questions

What is port 2477 used for?

Port 2477 is registered with the IANA for ssm-cvs (TCP/UDP). Description: SecurSight Certificate Valifation Service.

Is port 2477 a well-known port?

No. Port 2477 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2477 is open?

Locally on Linux with ss -tulpn | grep ':2477\b', on Windows with netstat -ano | findstr :2477. To test a remote host use Test-NetConnection <host> -Port 2477 in PowerShell or nc -zv <host> 2477 on Linux/macOS.

How do I open port 2477 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2477/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2477/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2477" -Direction Inbound -Protocol TCP -LocalPort 2477 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPssm-cvsSecurSight Certificate Valifation Service
UDPssm-cvsSecurSight Certificate Valifation Service

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