FortiSIEM
FortiSIEM provides Security Information and Event Management (SIEM) and User and Entity Behavior Analytics (UEBA)
yujames
Staff
Staff
Article Id 190340
Description
This article quickly describes what information is stored in the eventDB (for non Elastic Storage type deployments).

Scope
All versions of FortiSIEM

Solution
FortiSIEM stores all inbound events from external devices under the following folder path:
/data/eventdb/CUSTOMER_1/default

Example:
# ls -l /data/eventdb/CUSTOMER_1/default

total 3408
drwx--S--- 4 admin admin    4096 Apr 29 16:59 18016
drwx--S--- 4 admin admin    4096 Apr 30 17:00 18017
drwx--S--- 4 admin admin    4096 May  1 16:59 18018
drwx--S--- 4 admin admin    4096 May  2 17:00 18019
drwx--S--- 4 admin admin    4096 May  3 18:43 18020
drwx--S--- 4 admin admin    4096 May  4 17:00 18021
drwx--S--- 4 admin admin    4096 May  5 16:59 18022
drwx--S--- 4 admin admin    4096 May  6 16:59 18023
drwx--S--- 4 admin admin    4096 May  7 16:59 18024
drwx--S--- 4 admin admin    4096 May  8 16:57 18025
drwx--S--- 4 admin admin    4096 May  9 16:59 18026
drwx--S--- 4 admin admin    4096 May 10 16:59 18027
drwx--S--- 4 admin admin    4096 May 11 16:59 18028
drwx--S--- 4 admin admin    4096 May 12 16:58 18029
drwx--S--- 4 admin admin    4096 May 13 17:00 18030
drwx--S--- 4 admin admin    4096 May 14 16:57 18031
This folder path contains all the historical information written from external devices in the product for historical queries.
The folder is organized by a number based on the following formulate [EPOCH TIME] / 86400.
The folder's time is always Midnight +0 GMT.

In order to calculate the timestamp:
1) take the folder number: ie 17547 (this is under /data/eventdb/CUSTOMER_1/default/)
2) then multiply by 86400 (seconds per day)
3) take the result: 1516060800
4) utilize an epoch timestamp converter: for example here
5) plug it in and click "Timestamp to Human Date"

The result will be: Tuesday, January 16, 2018 12:00:00 AM.

This is the date on which the data were placed in that folder (based on GMT+0 time).

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