join events from two log sources together in search

[SadekAbdelnasser]

we have fortigate and clear path for authentication of our wireless network, so we could get the username and his assigned ip from clear pass logs , and we can see that ip traffic and activities from  firewall logs , How i can combine data from these two log source in one table , like i want to search for authentication activity for some users from clear pass then pass their ip to another search to get their activity from firewall logs and view that in one table ( show username, ip , destination he went to through firewall ) , is that possible ?

[FSM_FTNT]

Hi Sadek,

In version 6.4.0 released a lookup table feature has been added that allows you to 1) Populate a table 2) use it for analytic filters and lookups

https://docs.fortinet.com/document/fortisiem/6.4.0/release-notes/456886/whats-new-in-6-4-0#Lookup

Here is an example of its use:

1) Create a lookup table with SourceIP and User as the values. Make the SourceIP field the key. 
2) Populate the table using a scheduled report - report on the clearpass logs with user and IP mapped to the lookup table values. It should look like this

3) Add a filter as needed to Analytics. In this example we are saying, "Only show logs where the Source IP is in the Lookup Table AND the User in the Lookup Table is not 'N/A'"


4) The we use the Display Fields to Looup the Source IP and display the User



Let us know how you get on.

Thanks

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Daniel
FortiSIEM Product Manager
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[PartBhat]

Use the concept of lookup table in 6.4.0.

Store clear path for authentication in a lookup table with IP as key.

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[FSM_FTNT]

Hi Sadek,

We have posted a more in-depth blog post on this topic

https://fusecommunity.fortinet.com/blogs/dusan/2022/02/14/fortisiem-lookup-tables-64

Thanks

Dan

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Daniel
FortiSIEM Product Manager
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