Location Assertion - Nicole Harris, JISC Advance

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Location Assertion - Nicole Harris, JISC Advance

  1. 1. Location Assertion Nicole Harris FAM12 6th November 2012
  2. 2. From Where Are You From to Where Are You Now?
  3. 3. Problem Statement• Original requirement from the Schools Sector;• SP Business Case: – Primary market is individual home users; – Secondary sales to schools for pupils ‘on network’;• Need to distinguish these cases;• Desire to move from SP recognising IP to IdP asserting location.
  4. 4. Why not IP authentication?• Often not granular enough;• Easy to ‘fake’;• Difficult to maintain accurately;• Prone to keying errors;• Low tech implementations.
  5. 5. Location Assertion Extension• Extension to Shibboleth;• Downloadable and implementable now;(https://github.com/ukf/ua-attribute-idp- ext);• Creates attributes at the time of authentication based on IP address of the user agent;• SP can make decisions based on known location as well as other assertions.
  6. 6. What Does it Look Like?New Subsidiary attribute and use of eduPersonEntitlementresolver:DataConnector id=”userAgentAttributes”xsi:type=”uadc:UserAgentMappedAttributes”uadc:Mapping cidrBlock=”217.155.0.0/16″attributeId=”userAgent”attributeValue=”http://iay.org.uk/networks/zenInternet”/uadc:Mapping cidrBlock=”82.68.0.0/14″attributeId=”userAgent”attributeValue=”http://iay.org.uk/networks/zenInternet”/uadc:Mapping cidrBlock=”192.168.117.19/32″attributeId=”eduPersonEntitlement”attributeValue=”http://iay.org.uk/entitlements/kestrel”/
  7. 7. Solving Walk-in?• Allows Walk-in with BYOD;• Easy to provision guest accounts that don’t work outside the institutional boundary;• Able to configure walk-in at a granular level for SPs that don’t allow.BUT…
  8. 8. Service Provider ImplementationPublishers have to actually consume and react to the attributes being passed.
  9. 9. More informationBlog post:• http://access.jiscinvolve.org/wp/wayrn2/The code:• https://github.com/ukf/ua-attribute-idp-ext

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