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I - Mission Critical Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must enforce password complexity on the root account.

    &lt;VulnDiscussion&gt;Password complexity rules must apply to all accounts on the system, including root. Without specifying the "enforce_for_root ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must protect all boot configuration files from unauthorized modification.

    &lt;VulnDiscussion&gt;Boot configuration files control how the system boots, including single-user mode, auditing, log levels, etc. Improper or mal...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must protect sshd configuration from unauthorized access.

    &lt;VulnDiscussion&gt;The "sshd_config" file contains all the configuration items for sshd. Incorrect or malicious configuration of sshd can allow ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must protect all "sysctl" configuration files from unauthorized access.

    &lt;VulnDiscussion&gt;The "sysctl" configuration file specifies values for kernel parameters to be set on boot. Incorrect or malicious configuratio...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00228

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must set the "umask" parameter correctly.

    &lt;VulnDiscussion&gt;The "umask" value influences the permissions assigned to files when they are created. The "umask" setting in "login.defs" con...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00229

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must configure sshd to disallow HostbasedAuthentication.

    &lt;VulnDiscussion&gt;Secure Shell (SSH) trust relationships enable trivial lateral spread after a host compromise and therefore must be explicitly...
    Rule Medium Severity
  • SRG-OS-000073-GPOS-00041

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must store only encrypted representations of passwords.

    &lt;VulnDiscussion&gt;Passwords must be protected at all times via strong, one-way encryption. If passwords are not encrypted, they can be plainly ...
    Rule Medium Severity
  • SRG-OS-000077-GPOS-00045

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must ensure the old passwords are being stored.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must configure sshd to restrict AllowTcpForwarding.

    &lt;VulnDiscussion&gt;While enabling Transmission Control Protocol (TCP) tunnels is a valuable function of sshd, this feature is not appropriate fo...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The Photon operating system must configure sshd to restrict LoginGraceTime.

    &lt;VulnDiscussion&gt;By default, sshd unauthenticated connections are left open for two minutes before being closed. This setting is too permissiv...
    Rule Medium Severity

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