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CIS Ubuntu 22.04 Level 1 Server Benchmark

Rules and Groups employed by this XCCDF Profile

  • Account and Access Control

    In traditional Unix security, if an attacker gains shell access to a certain login account, they can perform any action or access any file to which that account has access. Therefore, making it mor...
    Group
  • Warning Banners for System Accesses

    Each system should expose as little information about itself as possible. <br> <br> System banners, which are typically displayed just before a login prompt, give out information about the s...
    Group
  • Modify the System Login Banner

    To configure the system login banner edit <code>/etc/issue</code>. Replace the default text with a message compliant with the local site policy or a legal disclaimer. The DoD required text is ei...
    Rule Medium Severity
  • Modify the System Login Banner for Remote Connections

    To configure the system login banner edit <code>/etc/issue.net</code>. Replace the default text with a message compliant with the local site policy or a legal disclaimer. The DoD required text is ...
    Rule Medium Severity
  • Modify the System Message of the Day Banner

    To configure the system message banner edit <code>/etc/motd</code>. Replace the default text with a message compliant with the local site policy or a legal disclaimer. The DoD required text is eit...
    Rule Medium Severity
  • Verify Group Ownership of System Login Banner

    To properly set the group owner of /etc/issue, run the command:
    $ sudo chgrp root /etc/issue
    Rule Medium Severity
  • Verify Group Ownership of System Login Banner for Remote Connections

    To properly set the group owner of /etc/issue.net, run the command:
    $ sudo chgrp root /etc/issue.net
    Rule Medium Severity
  • Verify Group Ownership of Message of the Day Banner

    To properly set the group owner of /etc/motd, run the command:
    $ sudo chgrp root /etc/motd
    Rule Medium Severity
  • Verify ownership of System Login Banner

    To properly set the owner of /etc/issue, run the command:
    $ sudo chown root /etc/issue 
    Rule Medium Severity
  • Verify ownership of System Login Banner for Remote Connections

    To properly set the owner of /etc/issue.net, run the command:
    $ sudo chown root /etc/issue.net 
    Rule Medium Severity

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