III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000026-RTR-000031
Group -
The HP FlexFabric Switch 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.
A compromised host in an enclave can be used by a malicious actor as a platform to launch cyber attacks on third parties. This is a common practice in "botnets", which are a collection of compromis...Rule Medium Severity -
SRG-NET-000362-RTR-000110
Group -
The HP FlexFabric Switch must manage excess bandwidth to limit the effects of packet flooding types of denial of service (DoS) attacks.
Denial of service is a condition when a resource is not available for legitimate users. Packet flooding DDoS attacks are referred to as volumetric attacks and have the objective of overloading a ne...Rule Medium Severity -
SRG-NET-000512-RTR-000012
Group -
The HP FlexFabric Switch must configure the maximum hop limit value to at least 32.
The Neighbor Discovery protocol allows a hop limit value to be advertised by routers in a Router Advertisement message to be used by hosts instead of the standardized default value. If a very small...Rule Medium Severity -
SRG-NET-000362-RTR-000110
Group -
The HP FlexFabric Switch must protect against or limit the effects of denial of service (DoS) attacks by employing control plane protection.
The Route Processor (RP) is critical to all network operations because it is the component used to build all forwarding paths for the data plane via control plane processes. It is also instrumental...Rule Medium Severity -
SRG-NET-000364-RTR-000109
Group -
The HP FlexFabric Switch must only allow incoming communications from authorized sources to be routed to authorized destinations.
Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Additionally, unrestricted traffic may transit a network, which uses bandwidth a...Rule Medium Severity -
SRG-NET-000019-RTR-000002
Group -
The HP FlexFabric Switch must enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
Information flow control regulates authorized information to travel within a network and between interconnected networks. Controlling the flow of network traffic is critical so it does not introduc...Rule Medium Severity -
SRG-NET-000191-RTR-000081
Group -
The HP FlexFabric Switch must ensure all Exterior Border Gateway Protocol (eBGP) HP FlexFabric Switches are configured to use Generalized TTL Security Mechanism (GTSM).
As described in RFC 3682, GTSM is designed to protect a router's IP-based control plane from DoS attacks. Many attacks focused on CPU load and line-card overload can be prevented by implementing GT...Rule Medium Severity -
SRG-NET-000019-RTR-000003
Group -
The HP FlexFabric Switch must disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or unintended personnel. Limiting where, within the network, a given multic...Rule Medium Severity -
SRG-NET-000019-RTR-000004
Group -
The HP FlexFabric Switch must bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
Protocol Independent Multicast (PIM) is a routing protocol used to build multicast distribution trees for forwarding multicast traffic across the network infrastructure. Protocol Independent Multic...Rule Medium Severity -
SRG-NET-000019-RTR-000005
Group -
The HP FlexFabric Switch must establish boundaries for IPv6 Admin-Local, IPv6 Site-Local, IPv6 Organization-Local scope, and IPv4 Local-Scope multicast traffic.
If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or unintended personnel. Administrative scoped multicast addresses are loc...Rule Medium Severity
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