III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not accept router advertisements on all IPv6 interfaces.
<VulnDiscussion>An illicit router advertisement message could result in a man-in-the-middle attack.</VulnDiscussion><FalsePositives&...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must ignore IPv6 Internet Control Message Protocol (ICMP) redirect messages.
<VulnDiscussion>An illicit ICMP redirect message could result in a man-in-the-middle attack.</VulnDiscussion><FalsePositives><...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not forward IPv6 source-routed packets.
<VulnDiscussion>Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than c...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not enable IPv6 packet forwarding unless the system is a router.
<VulnDiscussion>IP forwarding permits the kernel to forward packets from one network interface to another. The ability to forward packets bet...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not accept router advertisements on all IPv6 interfaces by default.
<VulnDiscussion>An illicit router advertisement message could result in a man-in-the-middle attack.</VulnDiscussion><FalsePositives&...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must prevent IPv6 Internet Control Message Protocol (ICMP) redirect messages from being accepted.
<VulnDiscussion>ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. Thes...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not forward IPv6 source-routed packets by default.
<VulnDiscussion>Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than c...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
<GroupDescription></GroupDescription>Group -
All RHEL 9 networked systems must have SSH installed.
<VulnDiscussion>Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected commu...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
<GroupDescription></GroupDescription>Group -
All RHEL 9 networked systems must have and implement SSH to protect the confidentiality and integrity of transmitted and received information, as well as information during preparation for transmission.
<VulnDiscussion>Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected commu...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must have the openssh-clients package installed.
<VulnDiscussion>This package includes utilities to make encrypted connections and transfer files securely to SSH servers.</VulnDiscussion&...Rule Medium Severity
Node 2
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