VMware NSX-T Tier 1 Gateway Firewall Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000202-FW-000039
<GroupDescription></GroupDescription>Group -
The NSX-T Tier-1 Gateway Firewall must configure SpoofGuard to block outbound IP packets that contain illegitimate packet attributes.
<VulnDiscussion>If outbound communications traffic is not filtered, hostile activity intended to harm other networks may not be detected and ...Rule Medium Severity -
SRG-NET-000075-FW-000010
<GroupDescription></GroupDescription>Group -
The NSX-T Tier-1 Gateway Firewall must generate traffic log entries containing information to establish the details of the event.
<VulnDiscussion>Without sufficient information to analyze the event, it would be difficult to establish, correlate, and investigate the event...Rule Low Severity -
SRG-NET-000089-FW-000019
<GroupDescription></GroupDescription>Group -
Each NSX-T Edge Node configured to host a Tier-1 Gateway Firewall must be configured to use the TLS or LI-TLS protocols to configure and secure traffic log records.
<VulnDiscussion>It is critical that when the network element is at risk of failing to process traffic logs as required, it takes action to mi...Rule Medium Severity -
SRG-NET-000192-FW-000029
<GroupDescription></GroupDescription>Group -
The NSX-T Tier-1 Gateway Firewall must block outbound traffic containing denial-of-service (DoS) attacks to protect against the use of internal information systems to launch any DoS attacks against other networks or endpoints.
<VulnDiscussion>DoS attacks can take multiple forms but have the common objective of overloading or blocking a network or host to deny or ser...Rule Medium Severity -
The NSX-T Tier-1 Gateway Firewall must deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).
<VulnDiscussion>To prevent malicious or accidental leakage of traffic, organizations must implement a deny-by-default security posture at the...Rule Medium Severity -
SRG-NET-000333-FW-000014
<GroupDescription></GroupDescription>Group -
The NSX-T Tier-1 Gateway Firewall must be configured to send traffic log entries to a central audit server for management and configuration of the traffic log entries.
<VulnDiscussion>Without the ability to centrally manage the content captured in the traffic log entries, identification, troubleshooting, and...Rule Medium Severity -
SRG-NET-000362-FW-000028
<GroupDescription></GroupDescription>Group -
The NSX-T Tier-1 Gateway Firewall must employ filters that prevent or limit the effects of all types of commonly known denial-of-service (DoS) attacks, including flooding, packet sweeps, and unauthorized port scanning.
<VulnDiscussion>Not configuring a key boundary security protection device such as the firewall, against commonly known attacks is an immediat...Rule Medium Severity -
SRG-NET-000364-FW-000031
<GroupDescription></GroupDescription>Group -
The NSX-T Tier-1 Gateway Firewall must apply ingress filters to traffic that is inbound to the network through any active external interface.
<VulnDiscussion>Unrestricted traffic to the trusted networks may contain malicious traffic that poses a threat to an enclave or to other conn...Rule Medium Severity -
SRG-NET-000392-FW-000042
<GroupDescription></GroupDescription>Group
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