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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • The Ubuntu operating system default filesystem permissions must be defined in such a way that all authenticated users can only read and modify their own files.

    Setting the most restrictive default permissions ensures that when new accounts are created they do not have unnecessary access.
    Rule Medium Severity
  • SRG-OS-000002-GPOS-00002

    Group
  • The Ubuntu operating system must provision temporary user accounts with an expiration time of 72 hours or less.

    If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain unauthorized access. To mitigate this risk, automated termination of al...
    Rule Medium Severity
  • SRG-OS-000142-GPOS-00071

    Group
  • The Ubuntu operating system must be configured to use TCP syncookies.

    DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. Managing ex...
    Rule Medium Severity

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