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XCCDF
Application Layer Gateway Security Requirements Guide
SRG-NET-000402
The ALG must reveal error messages only to the ISSO, ISSM, and SCA.
The ALG must reveal error messages only to the ISSO, ISSM, and SCA.
An XCCDF Rule
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The ALG must reveal error messages only to the ISSO, ISSM, and SCA.
Medium Severity
<VulnDiscussion>Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can give configuration details about the network element. Limiting access to system logs and administrative consoles to authorized personnel will help to mitigate this risk. However, user feedback and error messages should also be restricted by type and content in accordance with security best practices (e.g., ICMP messages).</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>