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Configuring persistent session token cookies in WIF with Thinktecture IdentityModel

February 17, 2013

WIF can be configured to issue persistent session cookies. This configuration can be performed in web.config:

    <wsFederation requireHttps="true"
                  persistentCookiesOnPassiveRedirects="true" />

The persistentCookiesOnPassiveRedirects attribute on the <wsFederation> element configures the session cookie issued by the SAM to be persistent for the lifetime of the token and so it is common to set both. A ConfigurePersistentSessions API was added to Thinktecture IdentityModel to make this configuration from code. It is a one-time configuration that is performed in Application_Start in global.asax:

protected void Application_Start()

This sets the persistent flag as well as the session token duration on the session security token.

2 Comments leave one →
  1. RonyK permalink
    June 4, 2013 1:11 am

    Hi, Could you explain what would be the effect of issuing persistent session cookies?

    • June 5, 2013 9:42 am

      It would simply meant that the cookie is stored on the user’s machine and that they won’t need to re-authenticate via the STS while that cookie is still valid. The use case here is that normally a STS issues a cookie for 10 hours. With this (and the override WSFed token lifetime feature) you could keep the user logged into your app for a day or a week instead.

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