forked from rebillar/site-accueil-insa
61 lines
4.5 KiB
Markdown
61 lines
4.5 KiB
Markdown
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# Privacy
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This is a summary of all of the components within Matomo which may affect your privacy in some way. Please keep in mind
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third party Themes, Plugins or Apps may introduce privacy concerns not listed here.
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## Privacy for users being tracked by Matomo
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In this section we document how to protect the privacy of visitors who are tracked by your Matomo analytics service.
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### Anonymise visitor IP addresses
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By default, Matomo stores the visitor IP address (IPv4 or IPv6 format) in the database for each new visitor.
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If a visitor has a static IP address this means their browsing history can be easily identified across several days and
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even across several websites tracked within the same Matomo server. You can anonymize IP addresses to ensure visitors cannot
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be tracked this way: [How to anonymise IP addresses.](https://matomo.org/docs/privacy/#step-1-automatically-anonymize-visitor-ips)
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### Delete old visitors logs
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By default, Matomo stores tracked data forever. To better respect the privacy of your users, it is recommended to regularly
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purge old data. You can configure Matomo to automatically delete log data older than a specified number of months:
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[How to delete old visitors log data.](https://matomo.org/docs/privacy/#step-2-delete-old-visitors-logs)
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### Include a tracking Opt-Out feature on your site
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In your website, we recommended providing an easy way for your visitors to “opt-out” of being tracked by Matomo.
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You can use the Opt-Out feature to display a link your website that sets a special browser cookie (`matomo_ignore`) when
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clicked. Visitors that click that link will be ignored by Matomo in the future:
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[How to include a tracking opt-out iframe.](https://matomo.org/docs/privacy/#step-3-include-a-web-analytics-opt-out-feature-on-your-site-using-an-iframe)
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### Respect DoNotTrack preference
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Do Not Track is a browser-level technology and policy proposal that lets visitors opt out of tracking by websites they
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do not visit. Visitors can enable this preference in their browser, and then it's up to Matomo to respect it. By default,
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Matomo is configured to ignore visitors that have enabled it:
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[How to check if your Matomo respects DoNotTrack.] (https://matomo.org/docs/privacy/#step-4-respect-donottrack-preference)
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### Disable tracking cookies
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A cookie is a collection of information that a website stores on a visitor’s computer and accesses each time the visitor
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returns. By default, Matomo uses cookies to aid in tracking visitor behavior. If someone gains access to a visitor's
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computer, they could learn a few things about how the visitor visited your website. For many websites, this isn't a
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problem, but for others where a strong level of privacy is required (like online banking), disabling tracking cookies may
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be a good idea: [How to disable tracking cookies.](https://matomo.org/faq/general/faq_157/)
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### Keep your visitors details private
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Any user that has at least `view` access (the default access level) to Matomo can view detailed information for all users
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tracked in Matomo (such as their IP addresses, visitor IDs, details of all past visits and actions, etc.) through features
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provided by the `Live` plugin (such as the Visitor Log and Visitor Profile). As the Matomo administrator, you may decide
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that not all of your users need access to this data. You can deactivate the `Live` plugin to prevent users from viewing
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visitor details in the Administration > Plugins page.
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## Privacy for Matomo admins and website owners
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In this section we document how a Matomo administrator can better protect their own privacy.
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### Keep your Matomo server URL private
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By default, the Matomo Javascript code on all tracked websites contains the Matomo server URL. In some cases you might
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want to hide this Matomo URL completely while still tracking all websites in your Matomo instance. To hide your Matomo
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server's URL, you can modify the Javascript Tracking code and point it to a proxy piwik.php script instead of your actual
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Matomo server: [How to keep Matomo server URL private.](https://matomo.org/faq/how-to/faq_132/)
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### Automatic update check
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From time to time, Matomo uses `api.matomo.org` to check if the current version of Matomo is the latest version of Matomo.
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If an update is available, a notification is displayed allowing you to upgrade Matomo. To disable the update check,
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and stop your instance from sending HTTP requests to `api.matomo.org`, deactivate the "Automatic update" feature by
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setting `enable_auto_update = 0` in your configuration file `config/config.ini.php`.
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Learn more about [Privacy in Matomo](https://matomo.org/privacy/).
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