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N2OS Configuration
The N2OS Configuration - Reference Guide.
Features control panel
Retention
The Retention page lets you select a specific number, or Retention level, for historical data persistence. In some cases, you can either completely disable the retention of a feature, or enable the advanced options that provide more specific settings.

Resources
- Release Notes
  Access the release notes for release-based products.
- N2OS Configuration
  The N2OS Configuration - Reference Guide.
  - Features control panel
    - Features control panel
      The Features control panel page shows an overview of the current status of system features configuration and lets you fine tune specific values.
    - General
      The General page lets you generate assets from IPv6 nodes.
    - Retention
      The Retention page lets you select a specific number, or Retention level, for historical data persistence. In some cases, you can either completely disable the retention of a feature, or enable the advanced options that provide more specific settings.
  - Edit sensor configuration
  - Basic rules
  - Garbage Collector
  - Alerts
  - Incidents
  - Nodes
  - Assets
  - Links
  - Variables
  - Protocols
  - Vulnerability assessment
  - Customize node identifier generation
  - Decryption
  - Trace
  - Time Machine
  - Retention
  - Bandwidth throttling
  - Synchronization
  - Slow updates
  - Session hijacking
  - Passwords
  - Sandbox
  - Miscellaneous
- N2OS Software Development Kit
  The N2OS Software Development Kit (SDK).
- Integration Guides
  Integration guides to help you use applications that integrate with Nozomi Networks products.
- Reference Guides
  Additional reference guides with information on items such as Alerts and Incidents and Federal Information Processing Standards (FIPS).
- Quick Start Guides
  Hardware Quick Start Guides.
- Security
  Stay up-to-date with the most recent information and solutions for all vulnerabilities that affect Nozomi Networks products.
- Print format documentation
  A list of all the technical documentation that is available in print format.
- Documentation archive
  Access previous versions of the technical documentation.

Retention

The Retention page lets you select a specific number, or Retention level, for historical data persistence. In some cases, you can either completely disable the retention of a feature, or enable the advanced options that provide more specific settings.

Expiration

This lets you select a specific number of days for historical data persistence. To let the data persist forever, you can set this to Never.

Retention level

This lets you select a specific number of items for historical data persistence.

Space retention level

This lets you select a specific space size for historical data persistence.