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Windows 2016 CIS

Configure a Windows 2016 machine to be CIS compliant

Based on Microsoft Windows Server 2016 RTM Benchmark v1.2.0 - 04-21-2022

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Release Branch Release Tag Main Release Date

Main Pipeline Status

Devel Pipeline Status Devel Commits

Issues Open Issues Closed Pull Requests

License

Looking for support?

Lockdown Enterprise

Ansible Support

Community

On our Discord Server to ask questions, discuss features, or just chat with other Ansible-Lockdown users

Caution(s)

This role will make changes to the system which may have unintended consequences. This is not an auditing tool but rather a remediation tool to be used after an audit has been conducted.

Check Mode is not supported! The role will complete in check mode without errors, but it is not supported and should be used with caution.

This role was developed against a clean install of the Windows 2016 Operating System. If you are implementing this role on an existing system, please review this role for any site specific changes that are needed.

To use release version please point to main branch and relevant release for the CIS benchmark you wish to work with.

Matching a security Level for CIS

It is possible to only run level 1 or level 2 controls for CIS. This is managed using tags:

  • level1-domaincontroller
  • level1-memberserver
  • level2-domaincontroller
  • level2-memberserver

The controls found in defaults/main also need to reflect those control numbers due to aligning every control to the audit component.

Coming from a previous release

CIS releases routinely contain changes, so it is highly recommended to review the new references and available variables. This has changed significantly since the initial release of ansible-lockdown. This is now compatible with python3 if it is found to be the default interpreter. This does come with prerequisites that configure the system accordingly.

Further details can be seen in the Changelog

Auditing (new)

Currently this release does not have a auditing tool that is up to date.

Documentation

Requirements

General:

  • Basic knowledge of Ansible, below are some links to the Ansible documentation to help get started if you are unfamiliar with Ansible

  • Functioning Ansible and/or Tower Installed, configured, and running. This includes all of the base Ansible/Tower configurations, needed packages installed, and infrastructure setup.

  • Please read through the tasks in this role to gain an understanding of what each control is doing. Some of the tasks are disruptive and can have unintended consequences in a live production system. Also, familiarize yourself with the variables in the defaults/main.yml file.

Technical Dependencies:

  • Windows 2016 - Other versions are not supported
  • Running Ansible/Tower setup (this role is tested against Ansible version 2.9.1 and newer)
  • Python3 Ansible run environment
  • passlib (or python2-passlib, if using python2)
  • python-lxml
  • python-xmltodict
  • python-jmespath
  • pywinrm

Package 'python-xmltodict' is required if you enable the OpenSCAP tool installation and run a report. Packages python(2)-passlib and python-jmespath are required for tasks with custom filters or modules. These are all required on the controller host that executes Ansible.

Role Variables

This role is designed that the end user should not have to edit the tasks themselves. All customizing should be done via the defaults/main.yml file or with extra vars within the project, job, workflow, etc.

Tags

There are many tags available for added control precision. Each control has its own set of tags noting what level, what OS element it relates to if it's a patch or audit, and the rule number.

Below is an example of the tag section from a control within this role. Using this example if you set your run to skip all controls with the tag smb, this task will be skipped. The opposite can also happen where you run only controls tagged with smb.

  tags:
      - level1-domaincontroller
      - level1-memberserver
      - win16cis_rule_18.3.3
      - patch
      - smb

Community Contribution

We encourage you (the community) to contribute to this role. Please read the rules below.

  • Your work is done in your own individual branch. Make sure to Signed-off-by and GPG sign all commits you intend to merge.
  • All community Pull Requests are pulled into the devel branch
  • Pull Requests into devel will confirm your commits have a GPG signature, Signed-off-by, and a functional test before being approved
  • Once your changes are merged and a more detailed review is complete, an authorized member will merge your changes into the main branch for a new release

Pipeline Testing

uses:

  • ansible-core 2.12
  • ansible collections - pulls in the latest version based on the requirements file
  • runs the audit using the devel branch
  • This is an automated test that occurs on pull requests into devel