Application Layer Gateway (ALG) Security Requirements Guide (SRG)
Rules, Groups, and Values defined within the XCCDF Benchmark
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The ALG that is part of a CDS must enforce organization-defined one-way information flows using hardware mechanisms.
<VulnDiscussion>Information flow control regulates where information is allowed to travel within a network and between interconnected network...Rule Medium Severity -
SRG-NET-000033-ALG-000083
<GroupDescription></GroupDescription>Group -
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.
<VulnDiscussion>The use of security policy filters provides protection for the confidentiality of data by restricting the flow of data. Conf...Rule Medium Severity -
SRG-NET-000329-ALG-000084
<GroupDescription></GroupDescription>Group -
SRG-NET-000345-ALG-000099
<GroupDescription></GroupDescription>Group -
The ALG that is part of a CDS must enforce the use of human reviews for organization-defined information flows under organization-defined conditions.
<VulnDiscussion>Without network element enforcement of human reviews, security policy filters may have false positives and false negatives in...Rule Medium Severity -
SRG-NET-000131-ALG-000085
<GroupDescription></GroupDescription>Group -
The ALG must not have unnecessary services and functions enabled.
<VulnDiscussion>Information systems are capable of providing a wide variety of functions (capabilities or processes) and services. Some of th...Rule Medium Severity -
SRG-NET-000131-ALG-000086
<GroupDescription></GroupDescription>Group -
The ALG must be configured to remove or disable unrelated or unneeded application proxy services.
<VulnDiscussion>Unrelated or unneeded proxy services increase the attack vector and add excessive complexity to the securing of the ALG. Mult...Rule Medium Severity
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