III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000205-RTR-000001
Group -
The NSX-T Tier-0 Gateway must be configured to restrict traffic destined to itself.
The route processor handles traffic destined to the router, the key component used to build forwarding paths, and is also instrumental with all network management functions. Hence, any disruption o...Rule High Severity -
SRG-NET-000205-RTR-000014
Group -
Unicast Reverse Path Forwarding (uRPF) must be enabled on the NSX-T Tier-0 Gateway.
A compromised host in an enclave can be used by a malicious platform to launch cyber attacks on third parties. This is a common practice in "botnets", which are a collection of compromised computer...Rule High Severity -
SRG-NET-000230-RTR-000001
Group -
The NSX-T Tier-0 Gateway must be configured to implement message authentication for all control plane protocols.
A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect or even a rogue destination. This diverted traffic could be analyzed to l...Rule Medium Severity -
SRG-NET-000230-RTR-000002
Group -
The NSX-T Tier-0 Gateway must be configured to use a unique key for each autonomous system (AS) with which it peers.
If the same keys are used between eBGP neighbors, the chance of a hacker compromising any of the BGP sessions increases. It is possible that a malicious user exists in one autonomous system who wou...Rule Medium Severity -
SRG-NET-000362-RTR-000113
Group -
The NSX-T Tier-0 Gateway must be configured to have Internet Control Message Protocol (ICMP) unreachable notifications disabled on all external interfaces.
The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ICMP messages under a wide variety of conditions. Host unreachable ICMP ...Rule Medium Severity
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