Book Image

Splunk 9.x Enterprise Certified Admin Guide

By : Srikanth Yarlagadda
Book Image

Splunk 9.x Enterprise Certified Admin Guide

By: Srikanth Yarlagadda

Overview of this book

The IT sector's appetite for Splunk and skilled Splunk developers continues to surge, offering more opportunities for developers with each passing decade. If you want to enhance your career as a Splunk Enterprise administrator, then Splunk 9.x Enterprise Certified Admin Guide will not only aid you in excelling on your exam but also pave the way for a successful career. You’ll begin with an overview of Splunk Enterprise, including installation, license management, user management, and forwarder management. Additionally, you’ll delve into indexes management, including the creation and management of indexes used to store data in Splunk. You’ll also uncover config files, which are used to configure various settings and components in Splunk. As you advance, you’ll explore data administration, including data inputs, which are used to collect data from various sources, such as log files, network protocols (TCP/UDP), APIs, and agentless inputs (HEC). You’ll also discover search-time and index-time field extraction, used to create reports and visualizations, and help make the data in Splunk more searchable and accessible. The self-assessment questions and answers at the end of each chapter will help you gauge your understanding. By the end of this book, you’ll be well versed in all the topics required to pass the Splunk Enterprise Admin exam and use Splunk features effectively.
Table of Contents (17 chapters)
Part 1: Splunk System Administration
Part 2:Splunk Data Administration
Chapter 12: Self-Assessment Mock Exam

Understanding HEC input

HEC is an agentless input type that doesn’t require a forwarder on the source machine. This input type is suitable for sources that are capable of sending events over HTTP(S), such as web apps (through JavaScript libraries), mobile apps, and automation scripts. HEC exposes RESTful API endpoints on the Splunk Enterprise instance to accept data for indexing. The instance could be an HF/indexer in a distributed deployment. Let’s look at the key facts about HEC input:

  • HEC is disabled by default on Splunk instances, and the user must enable it manually to start using it. HEC can be scaled by configuring it across multiple Splunk instances and optionally fronting it with a load balancer.
  • Authentication to HEC APIs is done via a token supplied in the HTTP request sent by the source. The token configuration is set up by the administrator and shared with the application/source team for them to send over the events.
  • HEC exposes two important...