# Is there a way to correlate FortiGate logs?

**URL:** <https://discuss.elastic.co/t/is-there-a-way-to-correlate-fortigate-logs/380143>\
**Category:** SIEM\
**Created:** [July 15, 2025, 5:22pm UTC](https://discuss.elastic.co/t/is-there-a-way-to-correlate-fortigate-logs/380143 "2025-07-15T17:22:37Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![dot-mike](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dot-mike/32/143339_2.png) [@dot-mike](https://discuss.elastic.co/u/dot-mike)\
**Post date:** [July 20, 2025, 10:39pm UTC](https://discuss.elastic.co/t/is-there-a-way-to-correlate-fortigate-logs/380143/2 "2025-07-20T22:39:00Z")

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Check my post [Best practice for adding additional fields to transform](https://discuss.elastic.co/t/best-practice-for-adding-additional-fields-to-transform/379665) and try creating a transformation. It duplicate the VPN sessions to a new index with start & stop time...

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_[View the full topic](https://discuss.elastic.co/t/is-there-a-way-to-correlate-fortigate-logs/380143)._