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Trustwave Knowledge Base

Home » Knowledgebase » SIEM » HOWTO: Verifying whether Checkpoint is using a SHA-1 or SHA-256...

HOWTO: Verifying whether Checkpoint is using a SHA-1 or SHA-256 certificate

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This article applies to:

  • SIEM
  • Checkpoint firewalls

Question:

How can I verify whether Checkpoint is using a SHA-1 or SHA-256 certificate?

 

Procedure:

The current version of the OPSEC SDK only supports certificates generated with SHA-1. If the Checkpoint device is using a SHA-256 certificate, SIEM will not be able to retrieve logs.

To verify whether Checkpoint is using SHA 1 or SHA 256, in the Checkpoint command line interface, run the following command:

grep ":signature_hash" $FWDIR/conf/InternalCA.C

  • If the result returns no output, the Checkpoint device is using a SHA-1 certificate.
  • If the result returns any output, the Checkpoint device is using a SHA-256 certificate.
  • In this case, to retrieve logs with SIEM it is necessary to re-generate a SHA-1 certificate in Checkpoint, and then recreate the opsec application.

Notes:

  • Trustwave plans to update the OPSEC SDK to support SHA-256. For more information, contact Trustwave TAC.
  • Use of SHA-1 for this purpose does not affect compliance.

 

To contact Trustwave about this article or to request support:

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