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<p class="MsoNormal">Is it possible to use an Attribute Filter policy to a prevent a subset of users from being able to pass attributes to a Specific Service provider?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">For example: A filter policy that allows passes user attributes (eduPersonAffiliation, givenName, EPPN, description) to the SP sp.testshib.org, *<b>unless</b>* the user account has the value of “Student” in their LDAP(AD) account description
field.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’ve attempted to do this using some AND and NOT rules, but I don’t think the Policy Requirement Rule likes having those nested because it breaks the 1 Rule Only rule for PolicyRequirementRule (Copy of policy below.)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">( Is it best practice to craft individual Attribute Filter Polices based on specific SP needs, or around individual attributes? )<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> <afp:AttributeFilterPolicy id="testshibby"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> <afp:PolicyRequirementRule xsi:type="basic:AND"><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <basic:Rule xsi:type="basic:NOT"><o:p></o:p></p>
<p class="MsoNormal"> <basic:Rule xsi:type="basic:AttributeValueString" attributeID="description" value="student"/><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <basic:Rule xsi:type="basic:AttributeRequesterString" value="https://sp.testshib.org/shibboleth-sp" ignoreCase="true"/><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> </afp:PolicyRequirementRule><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <afp:AttributeRule attributeID="eduPersonAffiliation"><o:p></o:p></p>
<p class="MsoNormal"> <!-- Permit value rule that releases any value. --><o:p></o:p></p>
<p class="MsoNormal"> <afp:PermitValueRule xsi:type="basic:ANY" /><o:p></o:p></p>
<p class="MsoNormal"> </afp:AttributeRule>
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <afp:AttributeRule attributeID="givenName"><o:p></o:p></p>
<p class="MsoNormal"> <!-- Permit value rule that releases any value. --><o:p></o:p></p>
<p class="MsoNormal"> <afp:PermitValueRule xsi:type="basic:ANY" /><o:p></o:p></p>
<p class="MsoNormal"> </afp:AttributeRule><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <afp:AttributeRule attributeID="eduPersonPrincipalName"><o:p></o:p></p>
<p class="MsoNormal"> <!-- Permit value rule that releases any value. --><o:p></o:p></p>
<p class="MsoNormal"> <afp:PermitValueRule xsi:type="basic:ANY" /><o:p></o:p></p>
<p class="MsoNormal"> </afp:AttributeRule><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <afp:AttributeRule attributeID="description"><o:p></o:p></p>
<p class="MsoNormal"> <!-- Permit value rule that releases any value. --><o:p></o:p></p>
<p class="MsoNormal"> <afp:PermitValueRule xsi:type="basic:ANY" /><o:p></o:p></p>
<p class="MsoNormal"> </afp:AttributeRule>
<o:p></o:p></p>
<p class="MsoNormal">
<o:p></o:p></p>
<p class="MsoNormal"> </afp:AttributeFilterPolicy><o:p></o:p></p>
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