Router Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The 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
<GroupDescription></GroupDescription>Group -
The 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
<GroupDescription></GroupDescription>Group -
The 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-000205
<GroupDescription></GroupDescription>Group -
The BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
<VulnDiscussion>Outbound route advertisements belonging to the core can result in traffic either looping or being black holed, or at a minimu...Rule Medium Severity -
SRG-NET-000205
<GroupDescription></GroupDescription>Group -
The PE router must be configured to block any traffic that is destined to IP core infrastructure.
<VulnDiscussion>IP/MPLS networks providing VPN and transit services must provide, at the least, the same level of protection against denial-o...Rule High Severity -
The router must be configured to have Gratuitous ARP disabled on all external interfaces.
<VulnDiscussion>A gratuitous ARP is an ARP broadcast in which the source and destination MAC addresses are the same. It is used to inform the...Rule Medium Severity
Node 2
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