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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must be configured with the SSH daemon ClientAliveCountMax option set to 1.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule Medium Severity
  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must be configured with the SSH daemon LoginGraceTime set to 30 or less.

    &lt;VulnDiscussion&gt;SSH should be configured to log users out after a 15-minute interval of inactivity and to wait only 30 seconds before timing ...
    Rule Medium Severity
  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must implement approved ciphers within the SSH server configuration to protect the confidentiality of SSH connections.

    &lt;VulnDiscussion&gt;Operating systems using encryption are required to use FIPS-compliant mechanisms for authenticating to macOS. For OpenSSH to...
    Rule High Severity
  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must implement approved Message Authentication Codes (MACs) within the SSH server configuration.

    &lt;VulnDiscussion&gt;Operating systems using encryption are required to use FIPS-compliant mechanisms for authenticating to macOS. For OpenSSH to...
    Rule High Severity
  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must implement approved Key Exchange Algorithms within the SSH server configuration.

    &lt;VulnDiscussion&gt;Operating systems using encryption are required to use FIPS-compliant mechanisms for authenticating to macOS. For OpenSSH to...
    Rule High Severity

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