Port 3816

sunlps-http · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesunlps-http
Registered2004-04

Frequently asked questions

What is port 3816 used for?

Port 3816 is registered with the IANA for sunlps-http (TCP/UDP). Description: Sun Local Patch Server.

Is port 3816 a well-known port?

No. Port 3816 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3816 is open?

Locally on Linux with ss -tulpn | grep ':3816\b', on Windows with netstat -ano | findstr :3816. To test a remote host use Test-NetConnection <host> -Port 3816 in PowerShell or nc -zv <host> 3816 on Linux/macOS.

How do I open port 3816 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3816/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3816/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3816" -Direction Inbound -Protocol TCP -LocalPort 3816 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsunlps-httpSun Local Patch Server
UDPsunlps-httpSun Local Patch Server

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