Application Layer Gateway Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000015
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SRG-NET-000018
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The ALG must enforce approved authorizations for controlling the flow of information within the network based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.
Information flow control regulates where information is allowed to travel within a network. The flow of all network traffic must be monitored and controlled so it does not introduce any unacceptabl...Rule Medium Severity -
SRG-NET-000019
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The ALG must restrict or block harmful or suspicious communications traffic by controlling the flow of information between interconnected networks based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.
Information flow control regulates where information is allowed to travel within a network and between interconnected networks. Blocking or restricting detected harmful or suspicious communications...Rule Medium Severity -
SRG-NET-000019
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SRG-NET-000019
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The ALG that is part of a CDS must apply information flow control to data transferred between security domains by means of a policy filter which consists of a set of hardware and/or software.
Information flow control regulates where information is allowed to travel within a network and between interconnected networks. The flow of all network traffic must be monitored and controlled so i...Rule Medium Severity -
SRG-NET-000021
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The ALG that is part of a CDS must allow privileged administrators to enable/disable all security policy filters used to enforce information flow control.
A crucial part of any information flow control solution is the ability to enable and disable policy filters in order to respond to changes in organizational security posture and mission conditions....Rule Medium Severity -
SRG-NET-000022
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SRG-NET-000029
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The ALG that is part of a CDS must enforce dynamic traffic flow control based on organization-defined policies.
Information flow policies regarding dynamic information flow control include allowing or disallowing information flows based on changing conditions or mission/operational considerations. Changing c...Rule Medium Severity -
SRG-NET-000032
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The ALG that is part of a CDS must enforce organization-defined one-way information flows using hardware mechanisms.
Information flow control regulates where information is allowed to travel within a network and between interconnected networks. The flow of all network traffic must be monitored and controlled so i...Rule Medium Severity -
SRG-NET-000033
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The ALG that is part of a CDS must enforce information flow control using organization-defined security policy filters as a basis for flow control decisions for organization-defined information flows.
The use of security policy filters provides protection for the confidentiality of data by restricting the flow of data. Configure organization-defined specific filters and their order of execution...Rule Medium Severity -
SRG-NET-000041
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The ALG providing user access control intermediary services must display the Standard Mandatory DoD-approved Notice and Consent Banner before granting access to the network.
Display of a standardized and approved use notification before granting access to the network ensures privacy and security notification verbiage used is consistent with applicable federal laws, Exe...Rule Medium Severity -
SRG-NET-000042
Group
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