Port 6514 · Syslog TLS

Port 6514 is Syslog TLS, TCP.

Syslog over TLS — encrypted log transport, defined in RFC 5425. Used to send logs to a collector without exposing them on the wire.

Palo Alto

Create the service object for this port, then allow the App-ID on it. Restricting the rule to the port's service object keeps the rule working on a non-default port and stops the App-ID matching on other ports. Replace the placeholders with your own rule name and zones.

set service tcp-6514 protocol tcp port 6514

set rulebase security rules <rule-name> from <from-zone> to <to-zone> source any destination any application syslog service tcp-6514 action allow

Risk and exposure

Rated low risk. Even so, only expose this port to the networks and hosts that need it, and keep it patched.

Check it

• Linux ss -tlnp | grep :6514
• PowerShell Test-NetConnection <host> -Port 6514
• nmap nmap -p 6514 <host>

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