II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000205-RTR-000003
<GroupDescription></GroupDescription>Group -
The Cisco perimeter router must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
<VulnDiscussion>Vulnerability assessments must be reviewed by the System Administrator, and protocols must be approved by the Information Ass...Rule Medium Severity -
SRG-NET-000205-RTR-000004
<GroupDescription></GroupDescription>Group -
The Cisco perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
<VulnDiscussion>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 -
SRG-NET-000205-RTR-000005
<GroupDescription></GroupDescription>Group -
The Cisco perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.
<VulnDiscussion>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 -
SRG-NET-000364-RTR-000111
<GroupDescription></GroupDescription>Group -
The Cisco perimeter router must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
<VulnDiscussion>LLDP is a neighbor discovery protocol used to advertise device capabilities, configuration information, and device identity. ...Rule Low Severity -
SRG-NET-000364-RTR-000111
<GroupDescription></GroupDescription>Group -
The Cisco perimeter router must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
<VulnDiscussion>CDP is a Cisco proprietary neighbor discovery protocol used to advertise device capabilities, configuration information, and ...Rule Low Severity -
SRG-NET-000364-RTR-000112
<GroupDescription></GroupDescription>Group -
The Cisco perimeter router must be configured to have Proxy ARP disabled on all external interfaces.
<VulnDiscussion>When Proxy ARP is enabled on a router, it allows that router to extend the network (at Layer 2) across multiple interfaces (L...Rule Medium Severity -
SRG-NET-000364-RTR-000113
<GroupDescription></GroupDescription>Group -
The Cisco perimeter router must be configured to block all outbound management traffic.
<VulnDiscussion>For in-band management, the management network must have its own subnet in order to enforce control and access boundaries pro...Rule Medium Severity -
SRG-NET-000205-RTR-000009
<GroupDescription></GroupDescription>Group -
The Cisco out-of-band management (OOBM) gateway router must be configured to transport management traffic to the Network Operations Center (NOC) via dedicated circuit, MPLS/VPN service, or IPsec tunnel.
<VulnDiscussion>Using dedicated paths, the OOBM backbone connects the OOBM gateway routers located at the edge of the managed network and at ...Rule Medium Severity -
SRG-NET-000205-RTR-000010
<GroupDescription></GroupDescription>Group -
The Cisco out-of-band management (OOBM) gateway router must be configured to forward only authorized management traffic to the Network Operations Center (NOC).
<VulnDiscussion>The OOBM network is an IP network used exclusively for the transport of OAM&P data from the network being managed to the ...Rule Medium Severity -
SRG-NET-000019-RTR-000011
<GroupDescription></GroupDescription>Group -
The Cisco out-of-band management (OOBM) gateway router must be configured to have separate IGP instances for the managed network and management network.
<VulnDiscussion>If the gateway router is not a dedicated device for the OOBM network, implementation of several safeguards for containment of...Rule Medium Severity
Node 2
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