INFO: SSL Decryption Problems due to Diffie-Hellman key exchange

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INFO: SSL Decryption Problems due to Diffie-Hellman key exchange


This article applies to:

  • WebDefend - All Versions

Question:

  • Not seeing any events on port 443 (SSL traffic)

Reply:

When it appears that the systems are seeing SSL traffic but decryption is not functioning, check that the webserver is not configured for Diffie-Hellman key exchange. This algoorithm is not supported in any version of WebDefend.

  • A common reason for this problem is a test Apache server that was not re-configured for the production environment.

To determine whether Diffie-Hellman is in use, check the ssl_debug.log file in the logs directory of each product.


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Details
Article ID: 14783
Last Modified: 10/16/2013
Type: INFO
Article not rated yet.
Article has been viewed 3,092 times.
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