Port 3624

dist-upgrade · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicedist-upgrade
Registered2002-10

Frequently asked questions

What is port 3624 used for?

Port 3624 is registered with the IANA for dist-upgrade (TCP/UDP). Description: Distributed Upgrade Port.

Is port 3624 a well-known port?

No. Port 3624 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3624 is open?

Locally on Linux with ss -tulpn | grep ':3624\b', on Windows with netstat -ano | findstr :3624. To test a remote host use Test-NetConnection <host> -Port 3624 in PowerShell or nc -zv <host> 3624 on Linux/macOS.

How do I open port 3624 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3624/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3624/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3624" -Direction Inbound -Protocol TCP -LocalPort 3624 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPdist-upgradeDistributed Upgrade Port
UDPdist-upgradeDistributed Upgrade Port

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