Port 5540

matter · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicematter
Registered2021-07-16

Frequently asked questions

What is port 5540 used for?

Port 5540 is registered with the IANA for matter (TCP/UDP). Description: Matter Operational Discovery and Communi.

Is port 5540 a well-known port?

No. Port 5540 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5540 is open?

Locally on Linux with ss -tulpn | grep ':5540\b', on Windows with netstat -ano | findstr :5540. To test a remote host use Test-NetConnection <host> -Port 5540 in PowerShell or nc -zv <host> 5540 on Linux/macOS.

How do I open port 5540 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5540/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5540/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5540" -Direction Inbound -Protocol TCP -LocalPort 5540 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPmatterMatter Operational Discovery and Communi
UDPmatterMatter Operational Discovery and Communi

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