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NetEye.Cloud Solution Monitoring Business Service Monitoring Asset Management ELK - Log Analytics SOC System Administrator SOC Attacker Centric Cyber Threat Intelligence - SATAYO Introduction to NetEye Monitoring Business Service Monitoring IT Operation Analytics Visualization Network Visibility Log Management & Security Orchestrated Datacenter Shutdown Application Performance Monitoring User Experience Service Management Service Level Management & Reporting Requirements for a Node Cluster Requirements and Best Practices Kubernetes Networking NetEye Satellite Requirements TCP and UDP Ports Requirements Additional Software Installation Introduction Single Node Cluster Kubernetes NetEye Master Master-Satellite Architecture Underlying Operating System Acquiring NetEye ISO Image Installing ISO Image Single Nodes and Satellites Cluster Nodes Configuration of Tenants Satellite Nodes Only Nodes behind a Proxy Additional NetEye Components Satellites Nodes only Verify if a module is running 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Reporting Vulnerabilities Cyber Resilience Act Compliance Glossary

Discover

Discover lets you search and explore indexed data in detail. Use it to look at raw documents, check what they contain and see how your data changes over a selected time range. For a full description of every feature, see the official Elastic documentation on Discover.

Roles and Permissions

Depending on the role defined by the contract with your organization, you might have different permissions:

  • VIEWER: Read

  • EDITOR: Create, Read and Update

  • ADMIN: Create, Read and Update

With Discover you can:

  • view the list of documents, the fields they contain and the details of each document, field by field

  • see the trend over time in a histogram, together with the total number of matching documents

  • limit the analysis to a specific period with the time filter

  • search data with the search bar and narrow down the results with filters

  • sort results on one or more fields and choose which columns to show

  • choose the data view to work on

  • inspect the request sent to Elasticsearch and the response it returns

  • save searches to reuse later or to add to a dashboard

Data Views

A data view is a configuration that tells Kibana which subset of Elasticsearch data to use. It selects one or more indices or data streams and makes them available for analysis in Discover, Dashboards and Visualizations.

Every search in Discover runs on a single data view. To change it, open the data view selector in the top-left corner of Discover and pick a data view from the list. From the same menu you can also create a new data view by giving it a name and an index pattern that matches the indices or data streams you want to analyze.

Selecting a Data View

Fig. 224 Selecting a data view

Exploring your Data

Time filter

Use the time picker at the top of the page to set the period to analyze, either as a relative range (for example, the last 15 minutes) or as absolute start and end dates. Use the refresh button to run the search again and show the latest results.

Search bar and filters

Type a query in the search bar to find the documents you need. To narrow down the results, add filters next to the search bar, either on a specific field value or with a custom condition. Filters can be turned on and off, inverted or removed without changing the query.

Histogram and document count

Above the results, a histogram shows how matching documents are spread over the selected time range, together with the total number of hits. Select a bar or drag across the chart to zoom into a shorter period.

Document list

The main table lists the documents that match the current query, filters and time range. Expand a document to see all its fields and values.

Field list

The sidebar on the left lists the fields available in the selected data view. From here you can:

  • add a field to the table as a column, or remove it

  • look at the most common values of a field

  • filter for or against a specific value

Sorting and columns

Sort the results on one or more fields from the column headers, and rearrange or remove columns to show only the information you need.

Saving, Sharing and Inspecting Searches

The toolbar at the top of Discover lets you:

  • Open an existing saved search

  • Save the current search, including the query, filters, selected columns and sorting, so you can reuse it later or add it to a dashboard

  • Share the search with other users

  • Inspect the search to see the request sent to Elasticsearch and the response it returned, which helps when troubleshooting unexpected results

Note

Saving, updating and sharing searches requires the EDITOR or ADMIN role. VIEWER users can open and run existing saved searches.

Further reading: Discover in the Elastic documentation.