Port 4684

rfid-rp1 · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicerfid-rp1
Registered2005-08

Frequently asked questions

What is port 4684 used for?

Port 4684 is registered with the IANA for rfid-rp1 (TCP/UDP). Description: RFID Reader Protocol 1.0.

Is port 4684 a well-known port?

No. Port 4684 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4684 is open?

Locally on Linux with ss -tulpn | grep ':4684\b', on Windows with netstat -ano | findstr :4684. To test a remote host use Test-NetConnection <host> -Port 4684 in PowerShell or nc -zv <host> 4684 on Linux/macOS.

How do I open port 4684 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4684/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4684/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4684" -Direction Inbound -Protocol TCP -LocalPort 4684 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPrfid-rp1RFID Reader Protocol 1.0
UDPrfid-rp1RFID Reader Protocol 1.0

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