Firefox preventing Outlook from loading
As of today I cannot open Outlook through Firefox.
Message:
n error occurred during a connection to outlook.live.com. Invalid OCSP signing certificate in OCSP response. Error code: SEC_ERROR_OCSP_INVALID_SIGNING_CERT
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the web site owners to inform them of this problem.
الحل المُختار
Hi
Unfortunately Microsoft has misconfigured a security feature (OCSP stapling) on their servers which got now cached in your local firefox installation.
In order to resolve that, please enter about:config into the Firefox address bar (confirm the info message in case it shows up) and search for the preference named security.ssl.enable_ocsp_stapling. 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.
Read this answer in context 👍 2All Replies (5)
الحل المُختار
Hi
Unfortunately Microsoft has misconfigured a security feature (OCSP stapling) on their servers which got now cached in your local firefox installation.
In order to resolve that, please enter about:config into the Firefox address bar (confirm the info message in case it shows up) and search for the preference named security.ssl.enable_ocsp_stapling. 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.
Thanks Seburo that has worked and will change back in a couple of days as advised.
AmandaJR said
Thanks Seburo that has worked and will change back in a couple of days as advised.
As Seburo's post has solved your problem : Would you be a dear and mark his answer as 'Chosen Solution' ? Thank you in advance !
AmandaJR said
I think it is already marked?
Apologies : while I was posting my request (you had marked it 'Helpful' at the time), you marked Seburo's answer 'Chosen Solution' ....... (sorry .... )