Port 514 (UDP) — Syslog

Remote syslog.

🔒 Runs locally — your input never leaves this browser tab

No authentication or encryption — send over a VPN or use TLS syslog on 6514.

Check if port 514 is open

On the server, see what is listening:

sudo ss -tulpn | grep ':514 '

From another machine, test reachability:

nc -zv your-server.example.com 514

With UFW (Ubuntu/Debian):

sudo ufw deny 514

With firewalld (RHEL/AlmaLinux/Rocky):

sudo firewall-cmd --permanent --remove-port=514/udp && sudo firewall-cmd --reload