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Guide to the Secure Configuration of Ubuntu 16.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Explicit arguments in sudo specifications

    All commands in the sudoers file must strictly specify the arguments allowed to be used for a given user. If the command is supposed to be executed...
    Rule Medium Severity
  • Action for auditd to take when disk space is low

    The setting for admin_space_left_action in /etc/audit/auditd.conf
    Value
  • Hardware Tokens for Authentication

    The use of hardware tokens such as smart cards for system login provides stronger, two-factor authentication than using a username and password. I...
    Group
  • Don't target root user in the sudoers file

    The targeted users of a user specification should be, as much as possible, non privileged users (i.e.: non-root). User specifications have to expl...
    Rule Medium Severity
  • System Tooling / Utilities

    The following checks evaluate the system for recommended base packages -- both for installation and removal.
    Group

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