I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000019-RTR-000012
<GroupDescription></GroupDescription>Group -
The Cisco out-of-band management (OOBM) gateway router must be configured to not redistribute routes between the management network routing domain and the managed network routing domain.
<VulnDiscussion>If the gateway router is not a dedicated device for the OOBM network, several safeguards must be implemented for containment ...Rule Medium Severity -
SRG-NET-000205-RTR-000011
<GroupDescription></GroupDescription>Group -
The Cisco out-of-band management (OOBM) gateway router must be configured to block any traffic destined to itself that is not sourced from the OOBM network or the Network Operations Center (NOC).
<VulnDiscussion>If the gateway router is not a dedicated device for the OOBM network, several safeguards must be implemented for containment ...Rule Medium Severity -
SRG-NET-000205-RTR-000012
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
<VulnDiscussion>The OOBM access switch will connect to the management interface of the managed network elements. The management interface can...Rule Medium Severity -
SRG-NET-000205-RTR-000013
<GroupDescription></GroupDescription>Group -
The Cisco router providing connectivity to the Network Operations Center (NOC) must be configured to forward all in-band management traffic via an IPsec tunnel.
<VulnDiscussion>When the production network is managed in-band, the management network could be housed at a NOC that is located remotely at s...Rule Medium Severity -
SRG-NET-000018-RTR-000002
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
<VulnDiscussion>Accepting route advertisements for Bogon prefixes can result in the local autonomous system (AS) becoming a transit for malic...Rule Medium Severity -
SRG-NET-000018-RTR-000003
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
<VulnDiscussion>Accepting route advertisements belonging to the local AS can result in traffic looping or being black-holed, or at a minimum,...Rule Medium Severity -
SRG-NET-000018-RTR-000004
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject inbound route advertisements from a customer edge (CE) router for prefixes that are not allocated to that customer.
<VulnDiscussion>As a best practice, a service provider should only accept customer prefixes that have been assigned to that customer and any ...Rule Medium Severity -
SRG-NET-000018-RTR-000005
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes that do not belong to any customers or the local autonomous system (AS).
<VulnDiscussion>Advertisement of routes by an autonomous system for networks that do not belong to any of its customers pulls traffic away fr...Rule Medium Severity -
SRG-NET-000205-RTR-000006
<GroupDescription></GroupDescription>Group -
The Cisco 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-000018-RTR-000006
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject route advertisements from BGP peers that do not list their autonomous system (AS) number as the first AS in the AS_PATH attribute.
<VulnDiscussion>Verifying the path a route has traversed will ensure the IP core is not used as a transit network for unauthorized or possibl...Rule Low Severity
Node 2
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