FortiSIEM EventDB event store failed

Rule ID

PH_Rule_Avail_PH_46

Default Status

Enabled

Description

Detects the datamanager module is unable to create directory in NFS for writing event files even after a few retries. Data will be lost.

Severity

MITRE ATT&CK® Tactics

FortiSIEM

MITRE ATT&CK® Techniques

No Technique Specified

Impacts

Internal

Data Source

FortiSIEM Self Monitoring

Detection

Correlation

Remediation Guidance

Check NFS Server health and make sure that NFS operations work well.

Time Window

If the following pattern or patterns match an ingested event within the given time window in seconds, trigger an incident.

600 seconds

Trigger Conditions

If the following defined pattern/s occur within a 600 second time window.

AOUnableDir

SubPattern Definitions

SubPattern Name: AOUnableDir

This is the named definition of the event query, this is important if multiple subpatterns are defined to distinguish them.

SubPattern Query

This is the query logic that matches incoming events

eventType = "PH_UNABLE_CREATE_DIR"

Group by Attributes

This defines how matching events are aggregated, only events with the same matching attribute values are grouped into one unique incident ID

reptDevIpAddr

Aggregate Constraint

This is most typically a numerical constraint that defines when the rule should trigger an incident

COUNT (*) >= 1

Incident Attribute Mapping

This section defines which fields in matching raw events should be mapped to the incident attributes in the resulting incident.

The available raw event attributes to map are limited to the group by attributes and the aggregate event constraint fields for each subpattern

 hostIpAddr = AOUnableDir.reptDevIpAddr

FortiSIEM Rules