Port 18463

ac-cluster · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceac-cluster

Frequently asked questions

What is port 18463 used for?

Port 18463 is registered with the IANA for ac-cluster (TCP/UDP). Description: AC Cluster.

Is port 18463 a well-known port?

No. Port 18463 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 18463 is open?

Locally on Linux with ss -tulpn | grep ':18463\b', on Windows with netstat -ano | findstr :18463. To test a remote host use Test-NetConnection <host> -Port 18463 in PowerShell or nc -zv <host> 18463 on Linux/macOS.

How do I open port 18463 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 18463/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=18463/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 18463" -Direction Inbound -Protocol TCP -LocalPort 18463 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPac-clusterAC Cluster
UDPac-clusterAC Cluster

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