Port 5781

3par-evts · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Service3par-evts
Registered2008-03-10

Frequently asked questions

What is port 5781 used for?

Port 5781 is registered with the IANA for 3par-evts (TCP/UDP). Description: 3PAR Event Reporting Service.

Is port 5781 a well-known port?

No. Port 5781 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5781 is open?

Locally on Linux with ss -tulpn | grep ':5781\b', on Windows with netstat -ano | findstr :5781. To test a remote host use Test-NetConnection <host> -Port 5781 in PowerShell or nc -zv <host> 5781 on Linux/macOS.

How do I open port 5781 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5781/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5781/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5781" -Direction Inbound -Protocol TCP -LocalPort 5781 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCP3par-evts3PAR Event Reporting Service
UDP3par-evts3PAR Event Reporting Service

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