Port 514

shell and syslog · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Serviceshell and syslog
ReferenceRFC 5426
Modified2020-06-01

Frequently asked questions

What is port 514 used for?

Port 514 is registered with the IANA for shell and syslog (TCP/UDP). Description: cmd like exec, but automatic authentication is performed as for login server; .

Is port 514 a well-known port?

Yes. Port 514 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 514 is open?

Locally on Linux with ss -tulpn | grep ':514\b', on Windows with netstat -ano | findstr :514. To test a remote host use Test-NetConnection <host> -Port 514 in PowerShell or nc -zv <host> 514 on Linux/macOS.

How do I open port 514 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 514/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=514/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 514" -Direction Inbound -Protocol TCP -LocalPort 514 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPshellcmd like exec, but automatic authentication is performed as for login server
UDPsyslog

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