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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000018-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to enforce approved authorizations for controlling the flow of information within the network based on organization-defined information flow control policies.

    &lt;VulnDiscussion&gt;Information flow control regulates where information is allowed to travel within a network and between interconnected network...
    Rule Medium Severity
  • SRG-NET-000168-RTR-000078

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to enable routing protocol authentication using FIPS 198-1 algorithms with keys not exceeding 180 days of lifetime.

    &lt;VulnDiscussion&gt;A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...
    Rule Medium Severity
  • SRG-NET-000019-RTR-000007

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to have all inactive interfaces disabled.

    &lt;VulnDiscussion&gt;An inactive interface is rarely monitored or controlled and may expose a network to an undetected attack on that interface. U...
    Rule Low Severity
  • SRG-NET-000131-RTR-000035

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to have all non-essential capabilities disabled.

    &lt;VulnDiscussion&gt;A compromised router introduces risk to the entire network infrastructure, as well as data resources that are accessible via ...
    Rule Low Severity
  • SRG-NET-000205-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to restrict traffic destined to itself.

    &lt;VulnDiscussion&gt;The route processor handles traffic destined to the router—the key component used to build forwarding paths and is instrument...
    Rule High Severity
  • SRG-NET-000205-RTR-000002

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.

    &lt;VulnDiscussion&gt;Fragmented ICMP packets can be generated by hackers for DoS attacks such as Ping O' Death and Teardrop. It is imperative that...
    Rule Medium Severity
  • SRG-NET-000362-RTR-000112

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to have IP directed broadcast disabled on all interfaces.

    &lt;VulnDiscussion&gt;An IP directed broadcast is a datagram sent to the broadcast address of a subnet that is not directly attached to the sending...
    Rule Low Severity
  • SRG-NET-000362-RTR-000113

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.

    &lt;VulnDiscussion&gt;The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...
    Rule Medium Severity
  • SRG-NET-000362-RTR-000114

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.

    &lt;VulnDiscussion&gt;The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...
    Rule Medium Severity
  • SRG-NET-000362-RTR-000115

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.

    &lt;VulnDiscussion&gt;The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...
    Rule Medium Severity

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