Book Image

Splunk Operational Intelligence Cookbook - Third Edition

By : Josh Diakun, Paul R. Johnson, Derek Mock
Book Image

Splunk Operational Intelligence Cookbook - Third Edition

By: Josh Diakun, Paul R. Johnson, Derek Mock

Overview of this book

Splunk makes it easy for you to take control of your data, and with Splunk Operational Cookbook, you can be confident that you are taking advantage of the Big Data revolution and driving your business with the cutting edge of operational intelligence and business analytics. With more than 80 recipes that demonstrate all of Splunk’s features, not only will you find quick solutions to common problems, but you’ll also learn a wide range of strategies and uncover new ideas that will make you rethink what operational intelligence means to you and your organization. You’ll discover recipes on data processing, searching and reporting, dashboards, and visualizations to make data shareable, communicable, and most importantly meaningful. You’ll also find step-by-step demonstrations that walk you through building an operational intelligence application containing vital features essential to understanding data and to help you successfully integrate a data-driven way of thinking in your organization. Throughout the book, you’ll dive deeper into Splunk, explore data models and pivots to extend your intelligence capabilities, and perform advanced searching with machine learning to explore your data in even more sophisticated ways. Splunk is changing the business landscape, so make sure you’re taking advantage of it.
Table of Contents (12 chapters)

Flagging suspect IP addresses

Any server that receives requests from clients will always be a potential target for someone to try and exploit by initiating an attack. Attacks can come in many different forms, and over time it is important to keep a history of the originating source of the attack, so we can monitor the behavior and patterns more closely and potentially use this data to block access as needed.

In the next recipe, you will learn how to store the source IP addresses of clients making erroneous web access requests as a lookup and flag them for suspect behavior. This new lookup will then be leveraged to filter a subsequent search.

Getting ready

To step through this recipe, you will need a running Splunk Enterprise...