Out of the three, this is the least likely to see deployed in the field.This is for sending data from forwarders to indexers or other forwarders securely. You can test this by specifying port 8089 in a web browser – splunkd runs as HTTPS by default.splunkd is the Splunk API port – this is used for many functions within Splunk, such as monitoring, internal communication, deployment server functionality, and interaction with the environment using other tools or systems.This is for internal Splunk communication (typically port 8089). Web communication that uses SSL (HTTPS) requires a certificate to avoid the “Your connection is not private” warning message when browsing.Failure to configure HTTPS would result in credentials being available in plaintext and not provide any protection in transit for data being viewed by a Splunk user. While splunkweb does not default to using HTTPS, it is recommended that HTTPS always be used.This is for browser communication, commonly encountered when using splunkweb (web ports such as 443, 8443, or 8000). There are three types of Splunk certificates: web Note: Always make backups and test your settings! Failure to configure certificates correctly can result in splunkweb and/or Splunk not starting correctly. Things to know before you begin.īefore proceeding with your certificate changes there are a few things we would like to cover, including the various types of Splunk certificates, Hurricane Labs’ recommended standards, and a couple more quick pointers.
This ‘Master Guide’ should serve as a resource that offers you clarity along with instructions to help you overcome some of these Splunk certificates challenges.
However, it is best practice to configure Splunk to use certificates issued and trusted by your organization. By default, Splunk uses a self-signed certificate for the ports that it uses for its web interface, API, and data receiving. One of the most common yet frequently overlooked Splunk administrative tasks revolves around certificates. Brian Glenn, Technical Review of Original Documentation
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