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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000019-RTR-000003

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.

    &lt;VulnDiscussion&gt;If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or ...
    Rule High Severity
  • SRG-NET-000019-RTR-000007

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to have all inactive interfaces removed.

    &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 High Severity
  • SRG-NET-000131-RTR-000035

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to have the Dynamic Host Configuration Protocol (DHCP) service disabled if not in use.

    &lt;VulnDiscussion&gt;A compromised router introduces risk to the entire network infrastructure, as well as data resources that are accessible via ...
    Rule Info Severity
  • SRG-NET-000168-RTR-000077

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to use encryption for Open Shortest Path First (OSPF) routing protocol authentication.

    &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 High Severity
  • SRG-NET-000205-RTR-000014

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to restrict it from accepting outbound IP packets that contain an illegitimate address in the source address field by enabling Unicast Reverse Path Forwarding (uRPF).

    &lt;VulnDiscussion&gt;A compromised host in an enclave can be used by a malicious platform to launch cyber attacks on third parties. This is a comm...
    Rule High Severity
  • SRG-NET-000230-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to implement message authentication for all control plane protocols.

    &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 High Severity
  • SRG-NET-000230-RTR-000002

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway must be configured to use a unique password for each autonomous system (AS) with which it peers.

    &lt;VulnDiscussion&gt;If the same keys are used between External Border Gateway Protocol (eBGP) neighbors, the chance of a hacker compromising any ...
    Rule Medium Severity
  • SRG-NET-000362-RTR-000113

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to have Internet Control Message Protocol (ICMP) unreachable notifications 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 NSX Tier-0 Gateway router must be configured to have Internet Control Message Protocol (ICMP) mask replies 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 NSX Tier-0 Gateway router must be configured to have Internet Control Message Protocol (ICMP) redirects 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-000117

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to use the Border Gateway Protocol (BGP) maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.

    &lt;VulnDiscussion&gt;The effects of prefix de-aggregation can degrade router performance due to the size of routing tables and also result in blac...
    Rule Medium Severity
  • SRG-NET-000512-RTR-000001

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to use its loopback address as the source address for Internal Border Gateway Protocol (IBGP) peering sessions.

    &lt;VulnDiscussion&gt;Using a loopback address as the source address offers a multitude of uses for security, access, management, and scalability o...
    Rule Info Severity
  • SRG-NET-000512-RTR-000012

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to advertise a hop limit of at least 32 in Router Advertisement messages for IPv6 stateless auto-configuration deployments.

    &lt;VulnDiscussion&gt;The Neighbor Discovery (ND) protocol allows a hop limit value to be advertised by routers in a Router Advertisement message b...
    Rule Info Severity
  • SRG-NET-000131-RTR-000035

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to have routing protocols disabled if not in use.

    &lt;VulnDiscussion&gt;A compromised router introduces risk to the entire network infrastructure, as well as data resources that are accessible via ...
    Rule Info Severity
  • SRG-NET-000131-RTR-000035

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to have multicast disabled if not in use.

    &lt;VulnDiscussion&gt;A compromised router introduces risk to the entire network infrastructure, as well as data resources that are accessible via ...
    Rule Info Severity
  • SRG-NET-000168-RTR-000077

    <GroupDescription></GroupDescription>
    Group
  • The NSX Tier-0 Gateway router must be configured to use encryption for border gateway protocol (BGP) routing protocol authentication.

    &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 High Severity

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