How to set up secured syslog from Splunk?

Splunk Enterprise

I have a device that set up the syslog to send to Splunk and everything working great. I can see the syslog in Splunk, but How to set up secured syslog from Splunk? Not sure the link below it what I need how to set it up.

https://community.splunk.com/t5/All-Apps-and-Add-ons/Setup-Secure-Encrypted-Syslog/m-p/391221

Please point me to the right direction.

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