Firefox ignore invalid security certificate. enable-deprecated and set the value to true. Thank you for your time. I fully understand the risks of doing this and why this is built in. He wanted to TURN OFF THE CHECK COMPLETELY. Dec 2, 2023 · Confirm the security exception to permanently allow the site with that certificate. What I did is add a certificate exception: visit about:preferences#privacy in firefox Click on view certificates Add your server as an exception. May 29, 2017 · Double-click it and change its value to false - this will degrade a security feature in Firefox, so please revisit it in a couple of days again after Microsoft has fixed their stuff and turn it back on again then. Although it is generally a good thing, that Firefox makes me click like a dozen times to accept the certificate, this is pretty annoying. Corporate environment here, we use Firefox only to access hundreds of ILO-consoles, all of them are vendor-configured with an invalid certificate. Please ensure the date and time of your computer is correctly configured. eoc56s l1d y8v sgb7vj dy7 bj jkgl c0hf go1jf 096