Outage in Palo Alto Networks

Recommendations for Addressing Site Access Challenges with Decryption on Google Chrome Browser 124 and Higher

Minor
April 25, 2024 - Started 10 days ago
Official incident page

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Outage Details

For customers encountering challenges while accessing specific sites with decryption enabled and upon receiving "decrypt-unsupport-param" logs, particularly when using Google Chrome browser version 124 and higher, we suggest trying the following steps: Issue Identification: The observed difficulties may arise from Kyber Support integrated by Chrome for the TLS 1.3 version. Chrome Flags Configuration: Please review the configuration settings in Chrome Flags. This can be done by navigating to "chrome://flags/#enable-tls13-kyber" and examining the setup. Disabling the Option: We encourage you to consider disabling the Kyber Support option and then relaunching the browser to assess if it resolves the issue. If you continue to experience any difficulties, please open a support case, sincerely appreciate your patience as we diligently work to resolve this matter.
Latest Updates ( sorted recent to last )
MONITORING 10 days ago - at 04/25/2024 01:50AM

We are continuing to monitor for any further issues.

MONITORING 10 days ago - at 04/25/2024 01:49AM

For customers encountering challenges while accessing specific sites with decryption enabled and upon receiving "decrypt-unsupport-param" logs, particularly when using Google Chrome browser version 124 and higher, we suggest trying the following steps:

Issue Identification: The observed difficulties may arise from Kyber Support integrated by Chrome for the TLS 1.3 version.

Chrome Flags Configuration: Please review the configuration settings in Chrome Flags. This can be done by navigating to "chrome://flags/#enable-tls13-kyber" and examining the setup.

Disabling the Option: We encourage you to consider disabling the Kyber Support option and then relaunching the browser to assess if it resolves the issue.


If you continue to experience any difficulties, please open a support case, sincerely appreciate your patience as we diligently work to resolve this matter.

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