- Platform: Firefox browser
- Error Code: sec_error_cert_signature_algorithm_disabled
- Occurs: The error occurs when a web page’s security certificate is not accepted or unrecognized by the security algorithm of a browser
- Effect of the error: Prevents the web page from loading on the particular browser
If you are seeing the following Firefox Error Code sec_error_cert_signature_algorithm_disabled message while trying to use the Firefox browser. Then, it most probably means that there is an issue with the certificate of the particular web page with respect to your browser. Such issues usually start arising when a browser goes through major changes or a page has not been optimized correctly or updated to meet the recent security requirements asked by various browsers.
For instance in the case of Mozilla, after the recent changes, any certificates signed with the SHA-1 algorithm have started to be treated as unsecure, due to which the following error may show up.
Fixes For Firefox “Sec_Error_Cert_Signature_Algorithm_Disabled” Error
We have gone through a number of discussion threads and forums online, and have found the following solutions to have worked for users facing the particular error.
Fix 1: Adding the CA certificate to the security exceptions list
In order to try and solve the following issue, you can try adding the CA certificate for the particular web page you are trying to load to the browser’s security exception list.
To know more about how to add CA certificates under security exceptions or remove a CA certificate from your Mozilla browser, you can follow the steps as shown in the following guide.
Fix 2: Configure the SHA value temporarily
You can also try configuring the SHA value to temporarily bypass the following error as has been mentioned by the user in the screenshot below. Simply, change or reconfigure the pki.sha value to 4 and you might be able to solve the particular error.
You can refer to the video tutorial below, to check the steps shown above and try it out to solve the error on your own.
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