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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SMTP service must not have the EXPN or VRFY features active on AIX systems.

    <VulnDiscussion>The SMTP EXPN function allows an attacker to determine if an account exists on a system, providing significant assistance to ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • All global initialization file executable search paths must contain only absolute paths.

    &lt;VulnDiscussion&gt;Failure to restrict system access to authenticated users negatively impacts operating system security.&lt;/VulnDiscussion&gt;...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The SMTP service HELP command must not be enabled on AIX.

    &lt;VulnDiscussion&gt;The HELP command should be disabled to mask version information. The version of the SMTP service software could be used by at...
    Rule Medium Severity

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