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Cisco IOS XR Router RTR Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Cisco router must be configured to have all non-essential capabilities disabled.

    <VulnDiscussion>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) 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
  • SRG-NET-000078-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to log all packets that have been dropped at interfaces via ACL.

    &lt;VulnDiscussion&gt;Auditing and logging are key components of any security architecture. It is essential for security personnel to know what is ...
    Rule Low Severity
  • SRG-NET-000076-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to produce audit records containing information to establish where the events occurred.

    &lt;VulnDiscussion&gt;Without establishing where events occurred, it is impossible to establish, correlate, and investigate the events leading up t...
    Rule Medium Severity
  • SRG-NET-000077-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Cisco router must be configured to produce audit records containing information to establish the source of the events.

    &lt;VulnDiscussion&gt;Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up...
    Rule Medium Severity
  • SRG-NET-000202-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Cisco perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.

    &lt;VulnDiscussion&gt;ISPs use BGP to share route information with other autonomous systems (i.e. other ISPs and corporate networks). If the perime...
    Rule High Severity
  • SRG-NET-000019-RTR-000010

    <GroupDescription></GroupDescription>
    Group

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