Port 4018

talarian-mcast4 · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicetalarian-mcast4

Frequently asked questions

What is port 4018 used for?

Port 4018 is registered with the IANA for talarian-mcast4 (TCP/UDP). Description: Talarian Mcast.

Is port 4018 a well-known port?

No. Port 4018 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4018 is open?

Locally on Linux with ss -tulpn | grep ':4018\b', on Windows with netstat -ano | findstr :4018. To test a remote host use Test-NetConnection <host> -Port 4018 in PowerShell or nc -zv <host> 4018 on Linux/macOS.

How do I open port 4018 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4018/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4018/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4018" -Direction Inbound -Protocol TCP -LocalPort 4018 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtalarian-mcast4Talarian Mcast
UDPtalarian-mcast4Talarian Mcast

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