Port 469

rcp · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Servicercp

Frequently asked questions

What is port 469 used for?

Port 469 is registered with the IANA for rcp (TCP/UDP). Description: Radio Control Protocol.

Is port 469 a well-known port?

Yes. Port 469 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.

How do I check whether port 469 is open?

Locally on Linux with ss -tulpn | grep ':469\b', on Windows with netstat -ano | findstr :469. To test a remote host use Test-NetConnection <host> -Port 469 in PowerShell or nc -zv <host> 469 on Linux/macOS.

How do I open port 469 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 469/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=469/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 469" -Direction Inbound -Protocol TCP -LocalPort 469 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPrcpRadio Control Protocol
UDPrcpRadio Control Protocol

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