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Guide to the Secure Configuration of Debian 11

Rules, Groups, and Values defined within the XCCDF Benchmark

  • How to Use This Guide

    Readers should heed the following points when using the guide.
    Group
  • Formatting Conventions

    Commands intended for shell execution, as well as configuration file text, are featured in a <code>monospace font</code>. <i>Italics</i> are used t...
    Group
  • Read Sections Completely and in Order

    Each section may build on information and recommendations discussed in prior sections. Each section should be read and understood completely; instr...
    Group
  • Reboot Required

    A system reboot is implicitly required after some actions in order to complete the reconfiguration of the system. In many cases, the changes will n...
    Group
  • Root Shell Environment Assumed

    Most of the actions listed in this document are written with the assumption that they will be executed by the root user running the <code>/bin/bash...
    Group
  • Test in Non-Production Environment

    This guidance should always be tested in a non-production environment before deployment. This test environment should simulate the setup in which t...
    Group
  • Verify Permissions on group File

    To properly set the permissions of /etc/group, run the command:
    $ sudo chmod 0644 /etc/group
    Rule Medium Severity
  • 389 Directory Server

    389 Directory Server is a popular open-source LDAP server for Linux.
    Group
  • SSH Strong MACs by FIPS

    Specify the FIPS approved MACs (Message Authentication Code) algorithms that are used for data integrity protection by the SSH server.
    Value
  • Build and Test AIDE Database

    Run the following command to generate a new database: <pre>$ sudo aideinit</pre> By default, the database will be written to the file <code>/var...
    Rule Medium Severity

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