Firewall Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000392
Group -
The firewall must generate an alert that can be forwarded to, at a minimum, the ISSO and ISSM when denial-of-service (DoS) incidents are detected.
Without an alert, security personnel may be unaware of major detection incidents that require immediate action, and this delay may result in the loss or compromise of information. The firewall gen...Rule Low Severity -
SRG-NET-000492
Group -
SRG-NET-000493
Group -
SRG-NET-000364
Group -
The firewall must be configured to inspect all inbound and outbound traffic at the application layer.
Application inspection enables the firewall to control traffic based on different parameters that exist within the packets such as enforcing application-specific message and field length. Inspectio...Rule Medium Severity -
SRG-NET-000364
Group -
The firewall must be configured to inspect all inbound and outbound IPv6 traffic for unknown or out-of-order extension headers.
IPv6 packets with unknown extension headers as well as out-of-order headers can create denial-of-service attacks for other networking components as well as host devices. IPv6 inspection can check c...Rule Medium Severity -
SRG-NET-000364
Group -
The firewall must be configured to restrict it from accepting outbound packets that contain an illegitimate address in the source address field via an egress filter or by enabling Unicast Reverse Path Forwarding (uRPF).
A compromised host in an enclave can be used by a malicious platform to launch cyberattacks on third parties. This is a common practice in "botnets", which are a collection of compromised computers...Rule Medium Severity
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