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Privacy and Cookies Policy

What is a cookie?

A cookie is a simple text file that is stored on your computer or mobile device by a website's server and only that server will be able to retrieve or read the contents of that cookie. It allows a website to remember things like your preferences or what is in your shopping basket.

Durham University does not use cookies to collect personal information about you.

Durham University Website use of cookies

Some links on Durham Open Access Repositories may open pages on the University website. The privacy policy for these pages is available online here.

Use of cookies by different services

We use strictly necessary cookies such as session and functional cookies. We also use performance-related cookies which help us monitor user behaviour in general, allowing us to improve our service according to user needs. All these cookies collect anonymous information on the page visited which cannot be tracked to individual users. The following tables describe in detail what cookies we use:

Service name

Service address

Type of cookies used

Durham Research Online

Analytic cookies, Google Custom Search, Google Webmaster Tools

Durham E-Theses

Analytic cookies, Google Webmaster Tools, Session cookies


Session cookie, Analytic cookies


Accessed from Special Collections: a variety of digitised content under the address

Analytic cookie

Library catalogue

Library catalogue, Analytic cookies

Single Sign On

Session cookie, Shibboleth

e-resources access via Library Catalogue

Session cookie, EZProxy

Detailed cookie information:

Cookies type


What data stored

When expired


Session cookies

JSESSIONID, eprints_session

A random hex number or alpha-numeric string

end of session

Session cookies allow user 'choices' to be remembered from page to page.

Library Catalogue


A random hex number

end of session

Access patron record or search catalogue


_idp_authn_lc_key, _idp_session

A random hex number

end of session

This cookie is stored to allow Shibboleth authentication to some e-resources and other web applications via UK federation authentication.



A random hex number

end of session

Allow access to e-resources off-campus via proxy server.

Analytic cookies

__utma, __utmb, __utmc, __utmv, __utmz

See Google Analytic GA cookies for more details

various: from end of session up to 2 years

Performance cookies. See Google Analytic GA cookies

Google Webmaster Tools


A random alpha numeric string


Performance cookies. See Google Privacy Policy which covers use of Google Webmaster Tools