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Document the possible issue with data not being tracked and SSL certificates / net::ERR_INSECURE_RESPONSE #8220

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mattab opened this issue Jun 25, 2015 · 1 comment
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c: Website matomo.org For issues related to our matomo.org website.
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mattab commented Jun 25, 2015

Goal of this issue is to create a new FAQ, or update FAQ: No data in Piwik) and Statistics from Piwik and my other web analytics tool (log analyzer, webalizer or javascript based) are different, why? to explain a possible cause of data being missed and partially tracked. This was reported in #8151 (comment) where a user noticed that Piwik was tracking only a subset of all requests. This was caused by a missing SSL certificate chain

cc @igorkba - maybe you have some more info

What happens if I don’t install an Intermediate SSL certificate?

If you don’t install one or more intermediate SSL certificate, you break the certificate chain. That means you create a gap between a specific (end-user or intermediate) certificate and its issuer. When a device cannot find a trusted issuer for a certificate, the certificate and the entire chain from the intermediate certificate down to the final cerficate can’t be trusted.

As a result, your final certificate will not be trusted. Web browsers will display an “Invalid certificate” or “certificate not trusted” error.

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@mattab mattab added the c: Website matomo.org For issues related to our matomo.org website. label Jun 25, 2015
@mattab mattab added this to the 2.14.1 milestone Jun 25, 2015
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mattab commented Jul 13, 2015

Added FAQ: https://piwik.org/faq/troubleshooting/faq_20272/

How do I check that my Piwik SSL Server is correctly configured?

If your website has HTTPS / SSL pages, to ensure that all your visitors actions will be tracked on all browsers, you need to check that your SSL Server is correctly configured. We recommend to take the SSL Server test, for the URL of your SSL Piwik server. In particular you should check that “Chain issues” is “None”, otherwise some browsers (for example on Mobile devices) will not connect to your Piwik SSL Server and you will lose some visitor tracking data.

and linked it from other related FAQ: https://piwik.org/faq/troubleshooting/faq_58/
and https://piwik.org/faq/general/faq_68/

@mattab mattab closed this as completed Jul 13, 2015
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