The University of Texas at Austin
As part of the Web Central Services Retirement project, the ITS website will be retired. Information about IT services will be replaced by two new sites, IT@UT and UT ServiceNow, and ITS departmental information will be migrated to a new location. All changes will be completed by 7/28/2016.

uTexas Identity Manager (TIM)

Fat Cookie

The Fat Cookie was deprecated in June 2014 and its functionality replaced by UTLogin. For Web Central publishers, ITS has created the Transitional Fat Cookie that will allow Web Central-hosted sites to continue to operate as expected after the Fat Cookie system is retired and until Web Central itself is retired.

The 'Fat Cookie' refers to a deprecated, modified version of a normal browser cookie that was encoded and digitally signed. The fat cookie contained biographical information about the user. It allowed services not deployed on specific administrative machines to use UT EID logon authentication.

The fat cookie allowed access the following fields:

  • Name

  • UT EID

  • UIN

  • Assurance level

  • Cookie expiration time

  • Number of roles

  • Roles (In the format Component-Role-Status)

  • IP address

  • Cookie status

  • Keyid

  • Version

Last updated September 17, 2014 @ 8:43 am

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