Secure connection failed for Nginx + Comodo PossitiveSSL while SSLlabs Score is A +.

I own the Web site https://vzinity.com that runs on Nginx and uses a Comodo PossitiveSSL cert.

I tested the installation of SSL to https://www.ssllabs.com/ssltest/analyze.html?d=vzinity.com and it gets a grade of A +.

I tried opening the site with many browsers, but I don't see this problem in Firefox. When I visit the website using Firefox 39 (Windows 7, Windows 8.1, 10 Windows and Linux Mint) I get the following error:

The secure connection failed

The connection to vzinity.com while the page is loading.

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

Any help will be appreciated.

Thank you.

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That looks like a problem with bad sniffing user agent.

It works for me if I change date 20100101 in Gecko/20100101 in on user agent (same Gecko/20100102 works, only Gecko/20100101 does not work).

  • Mozilla/5.0 (X 11; Linux i686; RV:39.0) Gecko/Firefox/39.0 39.0

The server could be hacked to target only a Firefox user agent.
You can contact the Web site and ask them to look into this.

Tags: Firefox

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