Home
Resources
Release Notes
Access the release notes for release-based products.
N2OS
N2OS 24.0.0
Protocols, Smart Polling, and Arc
A list of the improvements for Protocols, Smart Polling and Arc that have been introduced in this release.

Resources
- Release Notes
  Access the release notes for release-based products.
  - Arc
  - N2OS
    - N2OS 24.3.1
    - N2OS 24.3.0
    - N2OS 24.2.0
    - N2OS 24.1.0
    - N2OS 24.0.0
      - Resolved issues
        A list of the bugs and defects that have been addressed in this release.
      - Security fixes
        A list of security problems that have been addressed in this release.
      - Updates in upcoming releases
        Important changes in future releases that might require additional steps or planning during upgrade.
      - Highlights
        An overview of the most impactful changes in this release.
      - Contents and detection
        A list of the improvements for the Contents and Detection that have been introduced in this release.
      - Base OS
        A list of the improvements for the operating system (OS) and graphical user interface (GUI) usability changes that have been introduced in this release.
      - Reports and integrations
        A list of improvements for the queries, assertions and reports, and new developments for data and firewall integrations that have been introduced in this release.
      - Protocols, Smart Polling, and Arc
        A list of the improvements for Protocols, Smart Polling and Arc that have been introduced in this release.
      - CMC, Remote Collector, and AAA
        A list of the improvements for the CMC, Remote Collector and Authentication, Authorization and Accounting that have been introduced in this release.
      - Update path requirements
        Follow these instructions to have a smooth upgrade experience.
    - N2OS 23.4.1
    - N2OS 23.4.0
    - N2OS 23.3.1
    - N2OS 23.3.0
    - N2OS 23.2.0
    - N2OS 23.1.0
    - N2OS 23.0.0
- N2OS Configuration
  The N2OS Configuration - Reference Guide.
- 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.

Protocols, Smart Polling, and Arc

A list of the improvements for Protocols, Smart Polling and Arc that have been introduced in this release.

Expanded support for Triconex-TSAA function codes.
Added modbus protocol support for Honeywell ControlEdge HC900.
Introduced a setting to choose what iec101 address part to use as variables' namespace, between CA and LA.
Improve the stability and robustness of the representation for device modules in Nozomi Networks Operating System (N2OS).
Added functionality for setting product name, vendor, and firmware version for asset details extracted using a custom protocol decoder created with LUA.
Improved the tagging of dlms-cosem protocol to address false positives.
Asset type icons have been refreshed.
Improved support for MPLS protocol by enabling the parsing of additional inner headers.
Arc centralized deployment packages for Windows endpoints are now available in the Microsoft Software Installer (MSI) format. Arc Federal Information Processing Standards (FIPS) MSI packages are available from FIPS sensors.
Nodes with IPv4 self-assigned addresses are excluded from Asset creation.
Addressed an issue with the ServiceNow Smart Polling strategy that prevented the strategy from closing incidents in N2OS if the corresponding incidents were closed in ServiceNow.
Improve the performance of the intrusion detection system (IDS) in the extraction of Asset Information via regular expressions.