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The ALG providing content filtering must generate an alert to, at a minimum, the ISSO and ISSM when unauthorized network services are detected.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-205015SRG-NET-000385-ALG-000138SV-205015r831391_ruleCCI-002684medium
Description
Unauthorized or unapproved network services lack organizational verification or validation and therefore, may be unreliable or serve as malicious rogues for valid services. Automated mechanisms can be used to send automatic alerts or notifications. Such automatic alerts or notifications can be conveyed in a variety of ways (e.g., telephonically, via electronic mail, via text message, or via websites). The ALG must either send the alert to a management console that is actively monitored by authorized personnel or use a messaging capability to send the alert directly to designated personnel.
STIGDate
Application Layer Gateway Security Requirements Guide2025-09-15

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

MON-11.2Unauthorized Network Services
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (7) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AU-12Audit Record Generation
1.00
AU-3Content of Audit Records
1.00
SC-7(9)Restrict Threatening Outgoing Communications Traffic
1.00
SI-3Malicious Code Protection
1.00
SI-4(1)System-wide Intrusion Detection System
1.00
SI-4(22)Unauthorized Network Services
1.00
SI-4(5)System-generated Alerts
1.00
CCI1 mapping
CCI-002684
1.00

Details

Check Text (C-205015r831391_chk)

If the ALG does not perform content filtering as part of the traffic management functions, this is not applicable. Verify the ALG generates an alert to, at a minimum, the ISSO and ISSM when unauthorized network services are detected. If the ALG does not generate an alert to, at a minimum, the ISSO and ISSM when unauthorized network services are detected, this is a finding.

Fix Text (F-5283r396419_fix)

If the ALG performs content filtering as part of the traffic management functionality, configure the ALG to generate an alert to, at a minimum, the ISSO and ISSM when unauthorized network services are detected.