Standard Apache logs are kept, recording certain details of every HTTP[S] interaction. These logs are deleted after 28 days. Beyond that point only anonymous statistical data is kept for reporting purposes.
The UIS reserves the right to keep log files if an investigation is under way for the purposes of assisting with the investigation.
Details stored in the standard Apache log files:
Internet address of connecting client
Authenticated user id
Server's response code and number of bytes returned
The "user agent" string identifying the make of client
Users who visit a Falcon site may receive some or all of the Google Analytics cookies if the site administrator has enabled them (whether or not they authenticate).
Sites make include 'ShareThis' social media buttons, which will carry cookies if the user has a 'ShareThis' account enabled.
Users who authenticate will receive cookies from the Raven/Shibboleth authentication system.
Cookie Returned to Function P/S*
__utma Falcon site Google Analytics P
__utmb Falcon site Google Analytics P
__utmc Falcon site Google Analytics S
__utmz Falcon site Google Analytics P
_ga Falcon site Google Universal Analytics P
_gat Falcon site Google Universal Analytics P
_shibsession_... shib.raven.cam.ac.uk Authentication S
Ucam-WLS-Session shib.raven.cam.ac.uk Authentication S
JSESSIONID shib.raven.cam.ac.uk Authentication S
_idp_session shib.raven.cam.ac.uk Authentication S
_ZopeId Falcon site Session management S
__stid Set by "ShareThis" widget if it is embedded on the site. The ShareThis service can identify a visitor if they have separately signed up with ShareThis for a ShareThis account (and provided their consent). This information may be used to display advertisements on sites that include the ShareThis sharing icon - See 'ShareThis' privacy statement.
Social Media buttons P
*Final column: S marks a session cookie. P marks a persistent cookie.
Session cookies expire when the user quits the browser (or earlier).
Persistent cookies remain within the browser after it is quit and restarted, until they reach their expiry date.