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Why is firefox blocking a website that is secure (

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  • 83 have this problem
  • Last reply by philipp

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I'm having a problem accessing a specific website (, that I know is secure. Firefox is throwing a security screen at me, but not allowing me to make an exception, like it states in your help sections. I know for a fact that many other people are having the exact same problem. Other web browsers do not have this problem and I can't help but wonder what other sites are having this problem as well. Are your people working on this, or should I start using another browser?

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hello, i can certainly replicate this issue. my guess is that the site is currently implementing measures against the recently published widespread vulnerability that allows webservers with a certain version of openssl running on them to be exploited ( & is switching their certificate.

an advanced security feature in firefox is picking up this change as the site doesn't seem to be fully updated for this new certificate yet. you can temporarily work around the issue:
enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named security.ssl.enable_ocsp_stapling. double-click it and change its value to false.
it is important however, that after a bit of time when the issue gets resolved by the site (maybe try again in 24 hours), you go back and switch the setting to "true" again!