[tbb-dev] TBB 3.6.6 and self-signed certificates

Mike Perry mikeperry at torproject.org
Fri Sep 26 18:36:09 UTC 2014

Bram de Boer:
> Hello,
> I am having trouble using TBB 3.6.6 to connect to a website that uses a
> self-signed certificate.
> In the previous 3.6.5 version I was presented the usual warning, but after
> double checking the certificate fingerprint I could click the [Confirm
> Security Exception] button and TorBrowser would connect.
> However, in the 3.6.6 version after I click the [Confirm Security
> Exception] button, the dialog window disappears, a spinner is shown and
> TorBrowser starts trying to connect. However the page will never load.
> I have searched the preferences panel but could not find any option that
> might be useful. I read that 3.6.6 contained some changes with respect to
> saving intermediate certificates to disk. Could it be this has affected
> the use of self-signed certificates?

Could this be the securty.nocertdb pref from #12998? If you go into
about:config and change that value to false, does it change things? You
may need to restart the browser..

Mike Perry
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