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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must disable directed broadcast packet forwarding.

    &lt;VulnDiscussion&gt;This parameter must be disabled to reduce the risk of denial of service attacks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;...
    Rule Low Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must not respond to ICMP timestamp requests.

    &lt;VulnDiscussion&gt;By accurately determining the system's clock state, an attacker can more effectively attack certain time-based pseudorandom n...
    Rule Low Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must not respond to ICMP broadcast timestamp requests.

    &lt;VulnDiscussion&gt;By accurately determining the system's clock state, an attacker can more effectively attack certain time-based pseudorandom n...
    Rule Low Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must not respond to ICMP broadcast netmask requests.

    &lt;VulnDiscussion&gt;By determining the netmasks of various computers in your network, an attacker can better map your subnet structure and infer ...
    Rule Low Severity
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  • SRG-OS-000480

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  • The system must not respond to broadcast ICMP echo requests.

    &lt;VulnDiscussion&gt;ICMP echo requests can be useful for reconnaissance of systems and for denial of service attacks.&lt;/VulnDiscussion&gt;&lt;F...
    Rule Medium Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must not respond to multicast echo requests.

    &lt;VulnDiscussion&gt;Multicast echo requests can be useful for reconnaissance of systems and for denial of service attacks.&lt;/VulnDiscussion&gt;...
    Rule Low Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must ignore ICMP redirect messages.

    &lt;VulnDiscussion&gt;Ignoring ICMP redirect messages reduces the likelihood of denial of service attacks.&lt;/VulnDiscussion&gt;&lt;FalsePositives...
    Rule Low Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must set strict multihoming.

    &lt;VulnDiscussion&gt;These settings control whether a packet arriving on a non-forwarding interface can be accepted for an IP address that is not ...
    Rule Medium Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must disable ICMP redirect messages.

    &lt;VulnDiscussion&gt;A malicious user can exploit the ability of the system to send ICMP redirects by continually sending packets to the system, f...
    Rule Low Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must disable TCP reverse IP source routing.

    &lt;VulnDiscussion&gt;If enabled, reverse IP source routing would allow an attacker to more easily complete a three-way TCP handshake and spoof new...
    Rule Low Severity
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  • SRG-OS-000480

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  • The system must set maximum number of half-open TCP connections to 4096.

    &lt;VulnDiscussion&gt;This setting controls how many half-open connections can exist for a TCP port. It is necessary to control the number of comp...
    Rule Medium Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must set maximum number of incoming connections to 1024.

    &lt;VulnDiscussion&gt;This setting controls the maximum number of incoming connections that can be accepted on a TCP port limiting exposure to deni...
    Rule Low Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must disable network routing unless required.

    &lt;VulnDiscussion&gt;The network routing daemon, in.routed, manages network routing tables. If enabled, it periodically supplies copies of the sys...
    Rule Medium Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must implement TCP Wrappers.

    &lt;VulnDiscussion&gt;TCP Wrappers is a host-based access control system that allows administrators to control who has access to various network se...
    Rule Low Severity
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  • SRG-OS-000480

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  • The boundary protection system (firewall) must be configured to deny network traffic by default and must allow network traffic by exception (i.e., deny all, permit by exception).

    &lt;VulnDiscussion&gt;A firewall that relies on a deny all, permit by exception strategy requires all traffic to have explicit permission before tr...
    Rule Medium Severity
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  • SRG-OS-000480

    <GroupDescription></GroupDescription>
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  • The system must prevent local applications from generating source-routed packets.

    &lt;VulnDiscussion&gt;Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than c...
    Rule Low Severity
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  • SRG-OS-000023

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  • The operating system must display the DoD approved system use notification message or banner before granting access to the system for general system logons.

    &lt;VulnDiscussion&gt;Warning messages inform users who are attempting to log in to the system of their legal status regarding the system and must ...
    Rule Low Severity
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  • SRG-OS-000023

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  • The operating system must display the DoD approved system use notification message or banner for SSH connections.

    &lt;VulnDiscussion&gt;Warning messages inform users who are attempting to log in to the system of their legal status regarding the system and must ...
    Rule Low Severity
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  • SRG-OS-000023

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  • The GNOME service must display the DoD approved system use notification message or banner before granting access to the system.

    &lt;VulnDiscussion&gt;Warning messages inform users who are attempting to log in to the system of their legal status regarding the system and must ...
    Rule Low Severity
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  • SRG-OS-000023

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  • The FTP service must display the DoD approved system use notification message or banner before granting access to the system.

    &lt;VulnDiscussion&gt;Warning messages inform users who are attempting to log in to the system of their legal status regarding the system and must ...
    Rule Low Severity
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  • SRG-OS-000126

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  • The operating system must terminate all sessions and network connections when nonlocal maintenance is completed.

    &lt;VulnDiscussion&gt;Nonlocal maintenance and diagnostic activities are those activities conducted by individuals communicating through a network,...
    Rule Medium Severity
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  • SRG-OS-000480

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  • The operating system must prevent internal users from sending out packets which attempt to manipulate or spoof invalid IP addresses.

    &lt;VulnDiscussion&gt;Manipulation of IP addresses can allow untrusted systems to appear as trusted hosts, bypassing firewall and other security me...
    Rule Medium Severity
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  • SRG-OS-000481

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  • Wireless network adapters must be disabled.

    &lt;VulnDiscussion&gt;The use of wireless networking can introduce many different attack vectors into the organization’s network. Common attack vec...
    Rule Medium Severity
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  • SRG-OS-000481

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  • The operating system must use mechanisms for authentication to a cryptographic module meeting the requirements of applicable federal laws, Executive orders, directives, policies, regulations, standards, and guidance for such authentication.

    &lt;VulnDiscussion&gt;Encryption is only as good as the encryption modules utilized. Unapproved cryptographic module algorithms cannot be verified,...
    Rule Medium Severity
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  • SRG-OS-000033

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  • The operating system must implement DoD-approved encryption to protect the confidentiality of remote access sessions.

    &lt;VulnDiscussion&gt;Remote access is any access to an organizational information system by a user (or an information system) communicating throug...
    Rule Medium Severity
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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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