Port 1919

can-dch · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicecan-dch

Frequently asked questions

What is port 1919 used for?

Port 1919 is registered with the IANA for can-dch (TCP/UDP). Description: IBM Tivoli Directory Service - DCH.

Is port 1919 a well-known port?

No. Port 1919 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 1919 is open?

Locally on Linux with ss -tulpn | grep ':1919\b', on Windows with netstat -ano | findstr :1919. To test a remote host use Test-NetConnection <host> -Port 1919 in PowerShell or nc -zv <host> 1919 on Linux/macOS.

How do I open port 1919 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 1919/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1919/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1919" -Direction Inbound -Protocol TCP -LocalPort 1919 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPcan-dchIBM Tivoli Directory Service - DCH
UDPcan-dchIBM Tivoli Directory Service - DCH

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