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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000096-GPOS-00050

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 9 must disable network management of the chrony daemon.

    &lt;VulnDiscussion&gt;Not exposing the management interface of the chrony daemon on the network diminishes the attack space. Satisfies: SRG-OS-000...
    Rule Low Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 9 systems using Domain Name Servers (DNS) resolution must have at least two name servers configured.

    &lt;VulnDiscussion&gt;To provide availability for name resolution services, multiple redundant name servers are mandated. A failure in name resolut...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 9 must configure a DNS processing mode set be Network Manager.

    &lt;VulnDiscussion&gt;In order to ensure that DNS resolver settings are respected, a DNS mode in Network Manager must be configured.&lt;/VulnDiscus...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 9 must not have unauthorized IP tunnels configured.

    &lt;VulnDiscussion&gt;IP tunneling mechanisms can be used to bypass network filtering. If tunneling is required, it must be documented with the inf...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 9 must be configured to prevent unrestricted mail relaying.

    &lt;VulnDiscussion&gt;If unrestricted mail relaying is permitted, unauthorized senders could use this host as a mail relay for the purpose of sendi...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • If the Trivial File Transfer Protocol (TFTP) server is required, RHEL 9 TFTP daemon must be configured to operate in secure mode.

    &lt;VulnDiscussion&gt;Restricting TFTP to a specific directory prevents remote users from copying, transferring, or overwriting system files. Using...
    Rule Medium Severity
    Show

  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
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  • RHEL 9 must forward mail from postmaster to the root account using a postfix alias.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 9 libreswan package must be installed.

    &lt;VulnDiscussion&gt;Providing the ability for remote users or systems to initiate a secure VPN connection protects information when it is transmi...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • There must be no shosts.equiv files on RHEL 9.

    &lt;VulnDiscussion&gt;The shosts.equiv files are used to configure host-based authentication for the system via SSH. Host-based authentication is n...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • There must be no .shosts files on RHEL 9.

    &lt;VulnDiscussion&gt;The .shosts files are used to configure host-based authentication for individual users or the system via SSH. Host-based auth...
    Rule High Severity
    Show

Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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