Port 5673

jms · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicejms
Registered2002-02

Frequently asked questions

What is port 5673 used for?

Port 5673 is registered with the IANA for jms (TCP/UDP). Description: JACL Message Server.

Is port 5673 a well-known port?

No. Port 5673 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5673 is open?

Locally on Linux with ss -tulpn | grep ':5673\b', on Windows with netstat -ano | findstr :5673. To test a remote host use Test-NetConnection <host> -Port 5673 in PowerShell or nc -zv <host> 5673 on Linux/macOS.

How do I open port 5673 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5673/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5673/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5673" -Direction Inbound -Protocol TCP -LocalPort 5673 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPjmsJACL Message Server
UDPjmsJACL Message Server

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