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XCCDF
F5 BIG-IP TMOS Firewall Security Technical Implementation Guide
SRG-NET-000364-FW-000040
The F5 BIG-IP appliance must be configured to inspect all inbound and outbound traffic at the application layer.
The F5 BIG-IP appliance must be configured to inspect all inbound and outbound traffic at the application layer.
An XCCDF Rule
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The F5 BIG-IP appliance must be configured to inspect all inbound and outbound traffic at the application layer.
Medium Severity
<VulnDiscussion>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. Inspection provides improved protection against application-based attacks by restricting the types of commands allowed for the applications. Application inspection all enforces conformance against published RFCs. Some applications embed an IP address in the packet that needs to match the source address that is normally translated when it goes through the firewall. Enabling application inspection for a service that embeds IP addresses, the firewall translates embedded addresses and updates any checksum or other fields that are affected by the translation. Enabling application inspection for a service that uses dynamically assigned ports, the firewall monitors sessions to identify the dynamic port assignments and permits data exchange on these ports for the duration of the specific session.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>