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Cherry-pick #16907 to 7.x: [SIEM][CEF] Add support for Check Point devices#17111

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adriansr merged 4 commits intoelastic:7.xfrom
adriansr:backport_16907_7.x
Mar 20, 2020
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Cherry-pick #16907 to 7.x: [SIEM][CEF] Add support for Check Point devices#17111
adriansr merged 4 commits intoelastic:7.xfrom
adriansr:backport_16907_7.x

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@adriansr adriansr commented Mar 19, 2020

Cherry-pick of PR #16907 to 7.x branch. Original message:

This PR adds a new ingest pipeline and fields to populate from Check Point CEF logs.

Additional changes to the ECS processor:

  • Make CEF key translation case-insensitive.
  • Add missing CEF extension c6a2/deviceCustomIPv6Address2.
  • Add deprecated flexNumber[12] extensions. Used by Check Point. Dropped from CEF after V23.
  • Change case of DeviceCustomNumber2 to align with the other fields.

Closes #16041

* Make CEF key name mapping case-insensitive

There's some case inconsistency in CEF docs (i.e. C6a4Label). Better to
ignore case when mapping keys to full names.

* Add missing custom CEF extensions

This adds:
 - `deviceCustomIPv6Address2(Label)`: Only 1, 3 and 4 were expected.
 - `flexNumber[12](Label)`: These two alternative custom numbers were
   dropped after V23 of the spec, but still used by some vendors.

[Maybe unnecessary] changes:

 - Changed the case of `DeviceCustomNumber2` from uppercase as
   documented) to lowercase to align with the other fields.

* CEF module: Support Check Point devices

This adds a new ingest pipeline and fields to populate from Check Point
CEF logs.

Closes elastic#16041

(cherry picked from commit f6fde2e)
@adriansr adriansr force-pushed the backport_16907_7.x branch from 45ced15 to 3d72e28 Compare March 19, 2020 18:00
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double check CHANGELOG entry

@adriansr adriansr merged commit a4b5c4a into elastic:7.x Mar 20, 2020
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