Port 3819

epl-slp · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceepl-slp
Registered2004-10

Frequently asked questions

What is port 3819 used for?

Port 3819 is registered with the IANA for epl-slp (TCP/UDP). Description: EPL Sequ Layer Protocol.

Is port 3819 a well-known port?

No. Port 3819 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3819 is open?

Locally on Linux with ss -tulpn | grep ':3819\b', on Windows with netstat -ano | findstr :3819. To test a remote host use Test-NetConnection <host> -Port 3819 in PowerShell or nc -zv <host> 3819 on Linux/macOS.

How do I open port 3819 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3819/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3819/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3819" -Direction Inbound -Protocol TCP -LocalPort 3819 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPepl-slpEPL Sequ Layer Protocol
UDPepl-slpEPL Sequ Layer Protocol

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