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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000364-RTR-000109

    <GroupDescription></GroupDescription>
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  • The Juniper perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.

    &lt;VulnDiscussion&gt;Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Addition...
    Rule Medium Severity
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  • SRG-NET-000364-RTR-000110

    <GroupDescription></GroupDescription>
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  • The Juniper perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.

    &lt;VulnDiscussion&gt;Packets with Bogon IP source addresses should never be allowed to traverse the IP core. Bogon IP networks are RFC1918 address...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000008

    <GroupDescription></GroupDescription>
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  • The Juniper perimeter router must be configured to protect an enclave connected to an alternate gateway by using an inbound filter that only permits packets with destination addresses within the sites address space.

    &lt;VulnDiscussion&gt;Enclaves with alternate gateway connections must take additional steps to ensure there is no compromise on the enclave networ...
    Rule High Severity
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  • SRG-NET-000019-RTR-000009

    <GroupDescription></GroupDescription>
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  • The Juniper 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
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  • SRG-NET-000019-RTR-000010

    <GroupDescription></GroupDescription>
    Group
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  • The Juniper perimeter router must be configured to not redistribute static routes to an alternate gateway service provider into BGP or an IGP peering with the NIPRNet or to other autonomous systems.

    &lt;VulnDiscussion&gt;If the static routes to the alternate gateway are being redistributed into an Exterior Gateway Protocol or Interior Gateway P...
    Rule Low Severity
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  • SRG-NET-000205-RTR-000014

    <GroupDescription></GroupDescription>
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  • The Juniper perimeter router must be configured to restrict it from accepting outbound IP packets that contain an illegitimate address in the source address field via egress filter or 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 cyberattacks on third parties. This is a commo...
    Rule High Severity
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  • SRG-NET-000205-RTR-000003

    <GroupDescription></GroupDescription>
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  • The Juniper perimeter router must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.

    &lt;VulnDiscussion&gt;Vulnerability assessments must be reviewed by the System Administrator, and protocols must be approved by the Information Ass...
    Rule Medium Severity
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  • SRG-NET-000205-RTR-000004

    <GroupDescription></GroupDescription>
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  • The Juniper perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.

    &lt;VulnDiscussion&gt;Access lists are used to separate data traffic into that which it will route (permitted packets) and that which it will not r...
    Rule Medium Severity
    Show

  • SRG-NET-000205-RTR-000005

    <GroupDescription></GroupDescription>
    Group
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  • The Juniper perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.

    &lt;VulnDiscussion&gt;Access lists are used to separate data traffic into that which it will route (permitted packets) and that which it will not r...
    Rule Medium Severity
    Show

  • SRG-NET-000205-RTR-000015

    <GroupDescription></GroupDescription>
    Group
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  • The Juniper perimeter router must be configured to block all packets with any IP options.

    &lt;VulnDiscussion&gt;Packets with IP options are not fast switched and henceforth must be punted to the router processor. Hackers who initiate den...
    Rule Medium Severity
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