III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SLEM 5 must not forward Internet Protocol version 4 (IPv4) 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-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SLEM 5 must prevent Internet Protocol version 4 (IPv4) 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 -
SLEM 5 must not allow interfaces to accept Internet Protocol version 4 (IPv4) Internet Control Message Protocol (ICMP) redirect messages by default.
<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 -
SLEM 5 must not send Internet Protocol version 4 (IPv4) Internet Control Message Protocol (ICMP) redirects.
<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 -
SLEM 5 must not allow interfaces to send Internet Protocol version 4 (IPv4) Internet Control Message Protocol (ICMP) redirect messages by default.
<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 -
SLEM 5 must not be performing Internet Protocol version 4 (IPv4) packet forwarding unless the system is a router.
<VulnDiscussion>Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this s...Rule Medium Severity -
SRG-OS-000142-GPOS-00071
<GroupDescription></GroupDescription>Group -
SLEM 5 must be configured to use TCP syncookies.
<VulnDiscussion>Denial of service (DoS) is a condition in which a resource is not available for legitimate users. When this occurs, the organ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SLEM 5 must not forward Internet Protocol version 6 (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 -
SLEM 5 must not forward Internet Protocol version 6 (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-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SLEM 5 must prevent Internet Protocol version 6 (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
Node 2
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