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Forescout must configure TCP for the syslog protocol to allow for detection by the central event server if communications is lost. This is required for compliance with C2C Step 1.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-233329FORE-NC-000230SV-233329r811408_ruleCCI-000139medium
Description
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability and system operation may be adversely affected. Note that this configuration allows for the central log server to be configured with a critical alert to be sent to the System Security Officer (ISSO) and Systems Administrator (SA) (at a minimum) if it is unable to communicate the Forescout or stops receiving log updates. The alert requirement is in the Syslog STIG.
STIGDate
Forescout Network Access Control Security Technical Implementation Guide2025-06-12

Related Frameworks

1 mapping across 4 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-05Response To Event Log Processing Failures
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (20) 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.

AC-2(4)Automated Audit Actions
1.00
AU-10Non-repudiation
1.00
AU-12Audit Record Generation
1.00
AU-12(1)System-wide and Time-correlated Audit Trail
1.00
AU-14(1)System Start-up
1.00
AU-4(1)Transfer to Alternate Storage
1.00
AU-5Response to Audit Logging Process Failures
1.00
AU-5(1)Storage Capacity Warning
1.00
AU-5(2)Real-time Alerts
1.00
AU-6(4)Central Review and Analysis
1.00

+10 more (top 10 by confidence shown)

NIST 800-1710 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.

3.3.4
1.00
CCI1 mapping
CCI-000139
1.00

Details

Check Text (C-233329r811408_chk)

If DoD is not at C2C Step 1 or higher, this is not a finding. 1. Go to Tools >> Options >> Syslog. 2. Verify the Server Protocol is set to TCP. 3. Verify "Use TLS" setting is set. 4. Verify the "Identity, Facility, and Severity" setting is configured. If Forescout does not use TCP for the syslog protocol, this is a finding.

Fix Text (F-36489r605691_fix)

Configure Syslog server with TCP, as well as configure Syslog to alert if the communication between the Syslog server and the Forescout appliance loses connectivity. 1. Go to Tools >> Options >> Syslog. 2. Click Add/Edit. 3. Configure the Syslog: - Syslog Server IP address - Server Port - Server Protocol set to TCP - Check the Use TLS setting - Configure the Identity, Facility, and Severity. 4. Click "OK". 5. Click "Apply".