Nessus Agent 8.3.0 Release Notes - 2021-06-29

Changed Functionality and Performance Enhancements

The following are changed functionality and performance enhancements included in Nessus Agent 8.3.0:

  • Added a NessusCLI command to prepare Nessus Agents for imaging of the host system.

  • Nessus Agents will now automatically detect damage to critical databases and restore them, without user interaction, reducing instances of Agents going offline due to environmental issue.

  • Updated Agent DB compilation logic to ensure that the total Agent disk footprint is not expected to exceed 2GB.

Security Updates

The following are security updates included in Nessus Agent 8.3.0:

Bug Fixes

  • Resolved an issue where Agents installed on Windows 10 would show offline in after an automatic version update.

  • Resolved an issue where Agent tags would be generated at install time instead of link time.

  • Resolved an issue where nasl.exe missing due to AV would prevent Agents from upgrading.

Upgrade Notes

  • Users upgrading agents via Nessus Manager will not upgrade to 8.2.0 and later unless Nessus Manager is already updated to 8.12.0 or higher.

  • New Domain - As a part of continuous security and scalability improvements to Tenable infrastructure, we have added a new domain that agents communicate with.

    • Starting with Agent 8.1.0, agents communicate with using In case agents are not able to connect to the new domain, they fall back to using Agents with earlier versions will continue to use the domain.

    • Recommended Action: If you use domain allow lists for firewalls, Tenable recommends adding * (with the wildcard character) to the allow list. This ensures communication with and all future subdomains, reducing operational overhead. Please contact your network administrator for assistance with making necessary changes to your allow list..
  • You can upgrade to the latest version of Nessus Agent from any previously supported version.
  • If your upgrade path skips versions of the Agent, Tenable recommends reviewing the release notes for all skipped versions to learn about new features and bug fixes.