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Firefox displays SSL Error: SEC_ERROR_INADEQUATE_KEY_USAGE when using self-signed certificate

This entry was posted in troubleshooting tips and tagged Certificate firefox PKI yunohost on by

When using self-signed certificates, and accessing your web contents with the Firefox browser, you may get a strange error message SEC_ERROR_INADEQUATE_KEY_USAGE This may happen in self hosted instances of YunoHost for example. Whereas the contents is properly displayed in all other browsers, you cannot add any exception in Firefox and […]