Application Layer Gateway Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000383
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must be configured to integrate with a system-wide intrusion detection system.
<VulnDiscussion>Without coordinated reporting between separate devices, it is not possible to identify the true scale and possible target of ...Rule Medium Severity -
SRG-NET-000384
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must detect use of network services that have not been authorized or approved by the ISSM and ISSO, at a minimum.
<VulnDiscussion>Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or...Rule Medium Severity -
SRG-NET-000385
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must generate a log record when unauthorized network services are detected.
<VulnDiscussion>Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or...Rule Medium Severity -
SRG-NET-000385
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must generate an alert to, at a minimum, the ISSO and ISSM when unauthorized network services are detected.
<VulnDiscussion>Unauthorized or unapproved network services lack organizational verification or validation and therefore, may be unreliable o...Rule Medium Severity -
SRG-NET-000390
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must continuously monitor inbound communications traffic crossing internal security boundaries for unusual or unauthorized activities or conditions.
<VulnDiscussion>If inbound communications traffic is not continuously monitored, hostile activity may not be detected and prevented. Output f...Rule Medium Severity -
SRG-NET-000391
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must continuously monitor outbound communications traffic crossing internal security boundaries for unusual/unauthorized activities or conditions.
<VulnDiscussion>If outbound communications traffic is not continuously monitored, hostile activity may not be detected and prevented. Output ...Rule Medium Severity -
SRG-NET-000392
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must send an alert to, at a minimum, the ISSO and ISSM when detection events occur.
<VulnDiscussion>Without an alert, security personnel may be unaware of major detection incidents that require immediate action and this delay...Rule Medium Severity -
SRG-NET-000392
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must generate an alert to, at a minimum, the ISSO and ISSM when threats identified by authoritative sources (e.g., IAVMs or CTOs) are detected.
<VulnDiscussion>Without an alert, security personnel may be unaware of major detection incidents that require immediate action and this delay...Rule Medium Severity -
SRG-NET-000392
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must generate an alert to, at a minimum, the ISSO and ISSM when root level intrusion events which provide unauthorized privileged access are detected.
<VulnDiscussion>Without an alert, security personnel may be unaware of major detection incidents that require immediate action and this delay...Rule Medium Severity -
SRG-NET-000392
<GroupDescription></GroupDescription>Group -
The ALG providing content filtering must generate an alert to, at a minimum, the ISSO and ISSM when user level intrusions which provide non-privileged access are detected.
<VulnDiscussion>Without an alert, security personnel may be unaware of major detection incidents that require immediate action and this delay...Rule Medium Severity
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