Creating a Regex Pattern Set in AWS WAF
AWS Web Application Firewall (WAF) is a powerful tool for protecting your web applications from various types of attacks. A…
Threats
OpenSearch Flush, Translog, and Refresh
What Is OpenSearch Flush? In OpenSearch, flushing is the process of permanently storing data onto disk for all operations that…
Additional Settings for Optimizing Elasticsearch Cluster Performance
When managing an Elasticsearch cluster, fine-tuning certain settings can enhance stability and performance, especially under high data loads or cluster…
Understanding Basics of Apache Kafka
Apache Kafka is an open-source platform designed for building real-time data pipelines and streaming applications. Initially developed by LinkedIn and…
Using map Command in Splunk
The map command in Splunk is a powerful tool that enables executing secondary searches based on the results of a…
Splunk: Using collect Command for Creating New Events in a New Index
In some scenarios, you may need to save the results of a search into another index—for example, to reuse the…
Enhancing Events with Geolocation Data in Logstash
If you are using Logstash and need to enrich event data with geolocation information based on IP addresses, the following…
OpenSearch Split Index API
The Split Index API in OpenSearch is a useful feature that allows you to split an existing index into multiple…
ArcSight Administrator Guide: Renewing the Self-Signed Certificate
This article provides a step-by-step guide for ArcSight administrators to replace the self-signed certificate used by the ArcSight Manager. This…
Reindexing in Elasticsearch: A Guide for Administrators
Reindexing is an essential Elasticsearch operation that enables administrators to copy documents from one index to another, either within the…