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Sometimes the above two methods may not work for various reasons, including security settings. If this is the case, then your HTTPS traffic will not be captured. To fix this issue, the certificate trust should be enabled manually.

First, you need to export the StresStimulus root certificate. In the StresStimulus main menu, go to Options > HTTPS... to open the HTTPS options dialog.

Click the Export Root Certificate button and, in the save file dialog, provide the certificate save location.

Open Internet Explorer and in the main menu go to Tools > Internet Options.

In the Internet Options dialog, select the Content Tab and click the Certificates button.

In the certificates dialog, select the Trusted Root Certification Authorities tab and click the Import... button.

Follow the certificate wizard. In the second step, specify the file path of the previously exported certificate. Click next until the wizard completes the import.

If the Webserver requires a specific client certificate then copy the exported certificate (.cer file) to 

If you are using Firefox browser for recording, then click here to see how to enable HTTPS in Firefox.

titleClient Certificate Authentication

Client certificates

StresStimulus supports recording applications that require a specific client certificate.

The client certificate must be in the form of a .cer file and copied to the following destination:  % USERPROFILE % \My  Documents \Fiddler2\ClientCertificate . cer

Obtaining the .cer file from installed certificate

The .cer file can be obtained by exporting the client certificate from the personal certificate store.

To open current user store navigate to Start > Run (Start + R) > type certmgr.msc

Right-click on the client certificate > All Tasks > Export... to bring up the export wizard

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Obtaining the .cer file from another certificate file

If the certificate is not currently in your personal certificate store, but you currently have a file (like .p12 or .pfx) then first install the certificate into the personal certificate store 

To open current user store navigate to Start > Run (Start + R) > type certmgr.msc

Right-click on Personal folder > All Tasks > Import... to bring up the import wizard

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Once imported use the technique described above to export it into .cer format.

titleClient Certificate Authentication

For more , click hereon recording with client certificates, see this Fiddler article.