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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000205-RTR-000003

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  • The Arista perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.

    Access lists are used to separate data traffic into that which it will route (permitted packets) and that which it will not route (denied packets). Secure configuration of routers makes use of acce...
    Rule Medium Severity
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  • SRG-NET-000205-RTR-000005

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  • The Arista perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.

    Access lists are used to separate data traffic into that which it will route (permitted packets) and that which it will not route (denied packets). Secure configuration of routers makes use of acce...
    Rule Medium Severity
    Show

  • SRG-NET-000205-RTR-000006

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  • The Arista BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.

    Outbound route advertisements belonging to the core can result in traffic either looping or being black holed, or at a minimum, using a non-optimized path.
    Rule Medium Severity
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  • SRG-NET-000205-RTR-000007

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  • The Arista router must be configured to block any traffic that is destined to IP core infrastructure.

    IP/MPLS networks providing VPN and transit services must provide, at the least, the same level of protection against denial-of-service (DoS) attacks and intrusions as Layer 2 networks. Although the...
    Rule High Severity
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  • SRG-NET-000205-RTR-000008

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  • The Arista router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.

    The uRPF feature is a defense against spoofing and denial-of-service (DoS) attacks by verifying if the source address of any ingress packet is reachable. To mitigate attacks that rely on forged sou...
    Rule Medium Severity
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  • SRG-NET-000205-RTR-000010

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  • The out-of-band management (OOBM) Arista gateway router must be configured to forward only authorized management traffic to the Network Operations Center (NOC).

    The OOBM network is an IP network used exclusively for the transport of OAM&P data from the network being managed to the OSS components located at the NOC. Its design provides connectivity to each ...
    Rule Medium Severity
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  • SRG-NET-000205-RTR-000011

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  • The out-of-band management (OOBM) Arista gateway router must be configured to block any traffic destined to itself that is not sourced from the OOBM network or the NOC.

    If the gateway router is not a dedicated device for the OOBM network, several safeguards must be implemented for containment of management and production traffic boundaries. It is imperative that h...
    Rule Medium Severity
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  • SRG-NET-000205-RTR-000012

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  • The Arista router must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.

    The OOBM access router will connect to the management interface of the managed network elements. The management interface can be a true OOBM interface or a standard interface functioning as the man...
    Rule Medium Severity
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  • SRG-NET-000205-RTR-000014

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  • The Arista 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).

    A compromised host in an enclave can be used by a malicious platform to launch cyberattacks on third parties. This is a common practice in "botnets", a collection of compromised computers using mal...
    Rule High Severity
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  • SRG-NET-000230-RTR-000002

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  • The Arista BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.

    If the same keys are used between eBGP neighbors, the chance of a hacker compromising any of the BGP sessions increases. It is possible that a malicious user exists in one autonomous system who wou...
    Rule Medium Severity
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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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