II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
-
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must log IPv4 packets with impossible addresses by default.
<VulnDiscussion>The presence of "martian" packets (which have impossible addresses) as well as spoofed packets, source-routed packets, and re...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must use reverse path filtering on all IPv4 interfaces.
<VulnDiscussion>Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the inte...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must prevent 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 -
RHEL 9 must not forward IPv4 source-routed packets by default.
<VulnDiscussion>Source-routed packets allow the source of the packet to suggest routers forward the packet along a different path than config...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must use a reverse-path filter for IPv4 network traffic when possible by default.
<VulnDiscussion>Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the inte...Rule Medium Severity
Node 2
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.