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XCCDF
Cisco ASA Firewall Security Technical Implementation Guide
SRG-NET-000364-FW-000031
The Cisco ASA must be configured to filter inbound traffic on all external interfaces.
The Cisco ASA must be configured to filter inbound traffic on all external interfaces.
An XCCDF Rule
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The Cisco ASA must be configured to filter inbound traffic on all external interfaces.
Medium Severity
<VulnDiscussion>Unrestricted traffic to the trusted networks 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 and other resources. Firewall filters control the flow of network traffic, ensure the flow of traffic is only allowed from authorized sources to authorized destinations. Networks with different levels of trust (e.g., the Internet) must be kept separated.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>