sec_error_bad_signature only through proxy for https Web site

Hello

I tried to open the website https through the proxy of the company, but it does not work.

It happened only with firefox. Chrome & IE is quite fine.

Thanks for teaching.

Khoa.

I was suggesting to the certificate information link, but there is a clue that you are using Zscaler. We had a thread indicating that you can export the certificates from the Windows (via IE or Chrome) certificate store and then import them into Firefox: https://support.mozilla.org/questions/986876

I'm not sure whether that is documented in detail anywhere, but please note:

  • In the certificate Viewer, IE or Chrome, click on cert Zscaler you want to export in the Certification Path tab and use the button view the certificate to open it directly.
  • Click on the Details tab, and then click the Copy to file button. This will start the Export Wizard. Use the DER format and save to a convenient location.

When you are finished with all exports needed to complete the chain in the Certification path, you can import the certificates into the References of Firefox tab:

  • "3-bar" menu button (or tools) > Options > advanced > mini-onglet Certificates > "View certificates" button > mini-onglet References > button "import".
  • I suggest allowing the certificate for Web only, unless your IT suggests otherwise

Fixing a few screenshots for reference.

Tags: Firefox

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