Cookie management

What is a cookie?

A cookie is a small text file containing small amounts of information (including an identifier in the form of a number, (a session for example, a choice of language, a code to protect your navigation, the name of the server that deposited it and possibly an expiration date) and may be stored temporarily, subject to your choices for cookies not necessary for the operation of the site, on the hard drive of your terminal when visiting a website through your browser. Cookies are managed by your internet browser and the user can read them by right-clicking on the web page and "Inspect code".

Only the sender of a cookie can modify the information contained in it. A cookie can be either a session cookie or a permanent (or persistent) cookie.

A session cookie persists only during the browsing session and is deleted when the browser is closed. A permanent cookie is set for a specific period of time. This type of cookie remains in the terminal until it expires or until it is deleted from the computer via the browser settings or extensions.

The cookie does not identify you personally, but only the browser of your terminal. Some cookies require your prior consent before being installed on your terminal.

What are cookies for?

Mandatory cookies

These are cookies deposited exclusively by the site editor. They are essential for navigation on the site. These cookies cannot be deactivated or configured, otherwise you will no longer be able to access the site, the site's services and/or alter its display. They allow you to use the main features of the site and to secure your connection. The deposit of these cookies does not require your prior consent. Their lifetime does not generally exceed the duration of the session.

Functional cookies

These cookies are necessary for the operation of the site. The deposit of these cookies does not require your prior consent. These cookies allow :

• To establish anonymous statistics of frequentation and use of the various elements composing the site to allow its editor to administer and improve the said site.
• To adapt the presentation of the site to the display preferences of your terminal (language used, display resolution, operating system used, etc.) during your visits to the site, according to the hardware and software for viewing or reading that your terminal has.

The sites published by the CNRS entities use the Matomo hearing analysis tool, which complies with the RGPD specifications. The Matomo tool can deposit several cookies with a life span ranging from session time or a few tens of minutes to 11 months.

Functional cookies set by the CNRS:

• Name: _pk_ses
  Service provided: Traffic statistics (Matomo)
  Purpose: This cookie temporarily stores the current session.
  Duration : 30 minutes
• Name: _pk_id
  Service provided: Traffic statistics (Matomo)
  Purpose: This cookie assigns a unique identifier to the user.
  Duration : 11 months
• Name: _pk_testcookie
  Service provided: Traffic statistics (Matomo)
  Purpose: Checks if the browser accepts cookies.
  Duration: Session
• Name: MATOMO_SESSID
  Service provided: CSRF (cross-site request forgery) protection
  Purpose: To prevent fraud, protect the user and the reliability of the data collected by Matomo.
  Duration : Session

Third Party Cookies:

Some sites may include third-party computer applications that may place "social" and advertising, targeting and tracking cookies.

In particular, the services :

• Consent or refusal to deposit cookies from the Axeptio tool, published by the French company Agilitation, which was chosen by the CNRS to manage cookies
• Viewing of content by hosts such as YouTube, Dailymotion etc. for videos.
• To share information on social networks that allow you to share content from the site with other people or to let these other people know about your consultation or your opinion concerning a content of our site.

The cookies placed by these third parties may remember the pages and websites you have visited and may collect personal data such as IP address and share it with third parties. These cookies allow advertising agencies to present you with targeted and personalized ads. Their lifespan is variable, ranging from a session time or a few tens of minutes to several years.

The CNRS site you are visiting has no control over the process used by content hosts and social networks to collect information about your browsing habits, and associated personal data they have.

You can manage the deposit of these cookies. To view certain content offered by the CNRS, you must first accept cookies from these third parties.

How do I manage the cookies set by this CNRS site?

How to set up browsers?

In order to manage the cookies as closely as possible to your wishes, we invite you to configure your browser by taking into account the purpose of the cookies:

• The web browser can be set to warn you before a cookie is set.
• The browser can also be set to refuse all types of cookies or only third-party cookies.
• Any cookie already installed on the computer can be deleted.
• Each browser must be set up separately to refuse cookies.

Disable/Delete Cookies on your browser

For Internet Explorer™:
http://windows.microsoft.com/fr-FR/windows-vista/Block-or-allow-cookies

For Safari™:
https://support.apple.com/en-ie/guide/safari/sfri11471/mac

For Safari™mobile:
https://support.apple.com/en-us/HT201265

For Chrome™:
http://support.google.com/chrome/bin/answer.py?hl=fr&hlrm=en&answer=95647

For Firefox™:
http://support.mozilla.org/fr/kb/activer-desactiver-cookies

For Opera™:
http://help.opera.com/Windows/10.20/fr/cookies.html

For Microsoft Edge™:
https://privacy.microsoft.com/fr-fr/windows-10-microsoft-edge-and-privacy

Use blockers for cookies and other trackers via browser extensions such as :

• Privacy Badger from the Electronic Frontier Foundation for Edge, Chrome, Fierfox, Opera, Firefox on Android https://privacybadger.org/
• EditThisCookie for Chrome and Opera browsers http://www.editthiscookie.com/