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Photo: Klaus Bossemeyer

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Cookie guidelines

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Cookies are small data records that are stored on your terminal. These data records are produced and sent to you by the web server which you connected to using your web browser. We generally use cookies to analyse interest in our web pages and to make our web pages more user-friendly. You can also essentially access our web pages without enabling cookies. However, you must accept the cookies described below to make full use of all features. We use cookies, for example, to ensure you do not have to re-enter your username and password for every new page accessed in areas requiring login.

By using our web pages with your browser set to accept cookies, you agree to the use of cookies. Most browsers are set by default to automatically accept cookies. However, you can adjust your browser settings to ensure that cookies are displayed before being saved, or are declined as standard.

Please note that any changes made to browser settings only affect the specified browser. If you use different browsers, the settings must be changed separately for each browser. You can also delete cookies from your data storage device at any time. Further information on this can be accessed using the Help function in your browser or operating system.

 

An explanation of the most frequently used types of cookies is provided in the following for your reference:

1. Session cookies

While you are active on a web page, a session cookie is temporarily stored in your computer's memory. This contains a session ID so, for example, you do not have to log in again for each page you access. Session cookies are deleted when you log off, or cease to be valid upon the automatic expiration of your session.

2. Persistent or stored cookies

Persistent cookies save files on your computer until the scheduled expiration date. The cookies enable web pages to remember your information and settings the next time you visit. This makes it easier and quicker to access the web pages; for example, there is no need to re-adjust the language settings for our portal each time you visit. When the expiry date elapses, the cookies are automatically deleted when you visit the web page that created them.

3. Third-party cookies

Third-party cookies come from providers other than the operator of the web page. They may be used for example to collect information for advertising or generate custom content and web statistics.

4. Flash cookies

Flash cookies are stored on your computer as data elements of websites that use Adobe Flash Player. Flash cookies are not time-limited.

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Cookie name Purpose Length of time stored Cookie type
COOKIE_SUPPORT This cookie checks whether the user's browser supports cookies (true/false) 1 year

Persistent or stored cookies

GUEST_
LANGUAGE_ID

The cookies save information on the country and language settings for users who are not logged in (for example: de_DE for the country "Germany" and the language "German").

1 year

Persistent or stored cookies

accepted_cookie

This cookie indicates that the cookie banner was displayed to the user so that it is not displayed again the next time you visit.

unlimited

Persistent or stored cookies

JSESSIONID

These cookies are saved to the visitors' computers when they access the login page.

When the session ends

Session cookies

WEBTRENDS_ID

Contains an anonymous, unique ID for a site user. This ID is used to recognize the user through various sessions and to track their activities on the site.

10 years

Persistent or stored cookies

_ga

Contains an anonymous, unique ID for a site user. This ID is used to recognize the user through various sessions and to track their activities on the site.

2 years

Persistent or stored cookies

_gat

This is an internal cookie for controlling the active session. This is to avoid excessive request rates.

10 minutes

Session cookie

ACOOKIE

Contains an anonymous, unique ID for a site user. This ID is used to recognize the user through various sessions and to track their activities on the site.

10 years

Persistent or stored cookies

LFR_
SESSION_STATE

These cookies can be saved to visitors' computers and read by JavaScript code to prevent the current session from being ended prematurely if a logged-in user does not load a new page for a period of time.
It contains the timestamp of when the session was last extended and can be automatically updated at regular intervals.
The exact name of the cookies depends on the respective user that is logged in.
This information is used exclusively by technical systems to make the page available.

When the session ends

Session cookies

BIGipServerp_portal-ext.autostadt.vwg_443

This is an internal cookie for controlling the active session.

When the session ends

Session cookies

Activity Cookie

Used to track conversions, for attribution and advertising measurement

90 days

Third party cookie