I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000355-GPOS-00143
<GroupDescription></GroupDescription>Group -
RHEL 9 must securely compare internal information system clocks at least every 24 hours.
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Medium Severity -
SRG-OS-000096-GPOS-00050
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable the chrony daemon from acting as a server.
<VulnDiscussion>Minimizing the exposure of the server functionality of the chrony daemon diminishes the attack surface. Satisfies: SRG-OS-00...Rule Low Severity -
SRG-OS-000096-GPOS-00050
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable network management of the chrony daemon.
<VulnDiscussion>Not exposing the management interface of the chrony daemon on the network diminishes the attack space. Satisfies: SRG-OS-000...Rule Low Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 systems using Domain Name Servers (DNS) resolution must have at least two name servers configured.
<VulnDiscussion>To provide availability for name resolution services, multiple redundant name servers are mandated. A failure in name resolut...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must configure a DNS processing mode in Network Manager.
<VulnDiscussion>In order to ensure that DNS resolver settings are respected, a DNS mode in Network Manager must be configured.</VulnDiscus...Rule Medium Severity
Node 2
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