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ArcSight cuts off some of the values ​​in the fields


I have some problems with ArcSight ESM.

ArcSight cuts off some of the values ​​in the fields. But this does not happen all the time.  The conversation will be only in the context of a single source of events. 

For example.

First event -->  DeviceProduct:ASA, DeviceVendor:CISCO,OriginalAgentType:SYSLOG    - It's OK

Second Event --> DeviceProduct:ASA, DeviceVendor:CISCO,OriginalAgentType:SYSL     - Not OK

Third Event -->DeviceProduct:ASA, DeviceVendor:CISCO,OriginalAgentType:SYSLO       - Not OK



First event -->  DeviceProduct:Microsoft Windows, DeviceVendor:Microsoft,OriginalAgentType:WINC    - It's OK

Second Event --> DeviceProduct:Microsoft Windo, DeviceVendor:Microsoft,OriginalAgentType:WINC     - Not OK

Third Event --> DeviceProduct:Microsoft Windows, DeviceVendor:Microsoft,OriginalAgentType:WI      - Not OK


Cases are sporadic, but permanent. This makes it difficult to implement some cases. If you have any ideas how to solve my problem, I will be very grateful.

Thank you!

P.S. Sorry for my bad english)

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Acclaimed Contributor.
Acclaimed Contributor.

Is this events directly from a supported product with it's related connector or maybe the product is already sending it in CEF format? If so, is there any custom subparsers or mappingfiles created?

If neither i am guessing this is a flexconnector?

Is the removal of information in the actual RAW event received from the connector,?

I would recommend starting with enabling raw events, find a working + a non-working event, and see if there is any difference. Might be some strange special characters that are not escaped, or a changed format. Even a single extra special character can mess around with the parsing as an example.

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