Port 5684

coaps · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicecoaps
ReferenceRFC 7301, RFC 8323, RFC 7252
Registered2013-07-25

Frequently asked questions

What is port 5684 used for?

Port 5684 is registered with the IANA for coaps (TCP/UDP). Description: Constrained Application Protocol (CoAP); DTLS-secured CoAP.

Is port 5684 a well-known port?

No. Port 5684 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5684 is open?

Locally on Linux with ss -tulpn | grep ':5684\b', on Windows with netstat -ano | findstr :5684. To test a remote host use Test-NetConnection <host> -Port 5684 in PowerShell or nc -zv <host> 5684 on Linux/macOS.

How do I open port 5684 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5684/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5684/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5684" -Direction Inbound -Protocol TCP -LocalPort 5684 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPcoapsConstrained Application Protocol (CoAP)
UDPcoapsDTLS-secured CoAP

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