Port 4019

talarian-mcast5 · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicetalarian-mcast5

Frequently asked questions

What is port 4019 used for?

Port 4019 is registered with the IANA for talarian-mcast5 (TCP/UDP). Description: Talarian Mcast.

Is port 4019 a well-known port?

No. Port 4019 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4019 is open?

Locally on Linux with ss -tulpn | grep ':4019\b', on Windows with netstat -ano | findstr :4019. To test a remote host use Test-NetConnection <host> -Port 4019 in PowerShell or nc -zv <host> 4019 on Linux/macOS.

How do I open port 4019 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4019/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4019/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4019" -Direction Inbound -Protocol TCP -LocalPort 4019 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtalarian-mcast5Talarian Mcast
UDPtalarian-mcast5Talarian Mcast

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