I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000018-RTR-000001
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to enforce approved authorizations for controlling the flow of information within the network based on organization-defined information flow control policies.
<VulnDiscussion>Information flow control regulates where information is allowed to travel within a network and between interconnected network...Rule Medium Severity -
SRG-NET-000168-RTR-000078
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to enable routing protocol authentication using FIPS 198-1 algorithms with keys not exceeding 180 days of lifetime.
<VulnDiscussion>A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...Rule Medium Severity -
SRG-NET-000019-RTR-000007
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to have all inactive interfaces disabled.
<VulnDiscussion>An inactive interface is rarely monitored or controlled and may expose a network to an undetected attack on that interface. U...Rule Low Severity -
SRG-NET-000362-RTR-000109
<GroupDescription></GroupDescription>Group -
The Cisco router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
<VulnDiscussion>Network devices that are configured via a zero-touch deployment or auto-loading feature can have their startup configuration ...Rule Medium Severity -
SRG-NET-000362-RTR-000110
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.
<VulnDiscussion>The Route Processor (RP) is critical to all network operations because it is the component used to build all forwarding paths...Rule High Severity -
SRG-NET-000362-RTR-000111
<GroupDescription></GroupDescription>Group -
The Cisco 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 -
SRG-NET-000362-RTR-000112
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to have IP directed broadcast disabled on all interfaces.
<VulnDiscussion>An IP directed broadcast is a datagram sent to the broadcast address of a subnet that is not directly attached to the sending...Rule Low Severity -
SRG-NET-000362-RTR-000113
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...Rule Medium Severity -
SRG-NET-000362-RTR-000114
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...Rule Medium Severity -
SRG-NET-000362-RTR-000115
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...Rule Medium Severity
Node 2
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