Port 514 — Syslog

UDP · Port 514/UDP is used for syslog messages, a standard protocol for sending event logs from devices to a central server. This allows network administrators to monitor and troubleshoot issues across the network. Security relevance lies in its ability to provide real-time visibility into system events.

Port Number: 514
Service Name: Syslog
Protocol: UDP
Common Software: rsyslog, syslog-ng

Security Notes

Review IANA registry for port 514 usage. Apply principle of least privilege - only open ports that are required.

FAQ

What is port 514 used for?

Port 514 is used for Syslog. Port 514/UDP is used for syslog messages, a standard protocol for sending event logs from devices to a central server. This allows network administrators to monitor and troubleshoot issues across the network. Security relevance lies in its ability to provide real-time visibility into system events. Common software: rsyslog, syslog-ng.

Is port 514 dangerous to leave open?

Review IANA registry for port 514 usage. Apply principle of least privilege - only open ports that are required.

How do I check if port 514 is open?

Use nmap: nmap -p 514 <target> or check locally: ss -tlnp | rg 514