OASIS eXtensible Access Control Markup Language (XACML) TC

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OASIS-xacml@ConnectedCommunity.org

Contacts

Chair: Hal Lockhart
harold.w.lochhart@gmail.com

Chair: Bill Parducci
bill@parducci.net

OASIS Staff Contact: Kelly Cullinane
kelly.cullinane@oasis-open.org

Charter

The charter of this TC may be found at http://www.oasis-open.org/committees/xacml/charter.php. Statements regarding IPR related to the work of this TC may be found at http://www.oasis-open.org/committees/xacml/ipr.php

Description

Representing and evaluating access control policies.

Group Notes

Table of Contents



 



Announcements



We are pleased to announce the publication of XACML v3.0 Dynamic Attribute Authority Version 1.0 as an OASIS Committee Specification. The full Profile is available at the following link: XACML v3.0 Time Extensions Profile, Version 1.0

We are pleased to announce the publication of XACML v3.0 Related and Nested Entities Profile Version 1.0 as an OASIS Committee Specification. The full Profile is available at the following link: XACML v3.0 Related and Nested Entities Profile, Version 1.0

We are pleased to announce the publication of XACML v3.0 Time Extensions Version 1.0 as an OASIS Committee Specification. The full Profile is available at the following link: XACML v3.0 Dynamic Attribute Authority Profile, Version 1.0

We are pleased to announce the publication of XACML REST Profile Version 1.1 and JSON Profile of XACML 3.0 Version 1.1 as OASIS Standards. Pdf versions are available at the following links: XACML REST Profile: https://docs.oasis-open.org/xacml/xacml-rest/v1.1/os/xacml-rest-v1.1-os.pdf JSON Profile of XACML 3.0: https://docs.oasis-open.org/xacml/xacml-json-http/v1.1/os/xacml-json-http-v1.1-os.pdf

We are pleased to announce the publication of eXtensible Access Control Markup Language (XACML) Version 3.0 Plus Errata 01 OASIS Standard incorporating Approved Errata. A pdf version is available at the following link: eXtensible Access Control Markup Language (XACML) Version 3.0 Plus Errata 01 OASIS Standard incorporating Approved Errata 12 July 2017 Further info is below in the XACML 3.0 section.

We are pleased to announce the publication of eXtensible Access Control Markup Language (XACML) Version 3.0 OASIS Standard. A pdf version is available at the following link: eXtensible Access Control Markup Language (XACML) Version 3.0 OASIS Standard 22 January 2013 Further info is below in the XACML 3.0 section.

XACML 3.0 received the Influential Standardization Efforts Award at the European Identity Conference in Munich, May 2011.

 



Overview

The XACML Technical Committee defines a core XML schema for representingauthorization and entitlement policies.

For more information, see the TC Charter, FAQ, and "A Brief Introduction to XACML".

 





Technical Work Produced by the Committee





 



Work in progress:

The following committee specification, working drafts, and submissions represent XACML TC work in progress.






 



XACML 3.0 Specification Set: XACML 3.0 Core and the associated profiles are referenced below



  • eXtensible Access Control Markup Language (XACML) Version 3.0, OASIS Standard, 22 January 2013






  • eXtensible Access Control Markup Language (XACML) Version 3.0 Errata 01, Approved Errata, 12 July 2017






  • XACML v3.0 Dynamic Attribute Authority Version 1.0, Committee Specification 01, 25 January 2022






  • XACML v3.0 Related and Nested Entities Profile Version 1.0, Committee Specification 02, 16 February 2021






  • XACML v3.0 Time Extensions Version 1.0, Committee Specification, 01 13 February 2020






  • JSON Profile of XACML 3.0 Version 1.1, OASIS Standard 20, June 2019






  • XACML REST Profile Version 1.1, OASIS Standard, 20 June 2019






  • XACML v3.0 Core and Hierarchical Role Based Access Control (RBAC) Profile Version 1.0, Committee Specification 02, 23 October 2014







 



XACML 2.0 Specification Set: XACML 2.0 Core and seven associated profiles were approved as OASIS Standards on 1 February 2005. An eighth profile, XSPA Profile of XACML 2.0 for Healthcare was approved as OASIS Standard on 1 November 2009






XACML 2.0 Errata: These are non-normative documents that contain TC-approved corrections for errors found in the specifications above.









 



XACML 1.1 Specification Set:





 



XACML 1.0 Specification Set:



  • XACML Profile for Role Based Access Control (RBAC) Version 1.0:





 

The following work items are not currently on a standards track





The following work items are not currently under active development or discussion, but have not officially been withdrawn.





 



Expository Work Produced by the Committee





 



TC Tools and Approved Publications





 



External Resources

Although not produced by the OASIS XACML TC, the following information offers useful insights into its work:





 



Mailing Lists and Comments

xacml: the list used by TC members to conduct Committee work. TC membership required to post. TC members are automatically subscribed; the public may view archives.*

xacml-comment: a public mail list for providing input to the OASIS XACML Technical Committee members. Send a comment or view archives.*

xacml-dev: an unmoderated, public mail list that provides an open forum for developers of XACML policy evaluation engine implementations or supporting components and tools to exchange ideas and information on implementing the XACML OASIS Standard. Subscribe or view archives.*

xacml-users: an unmoderated, public mail list that provides an open forum for users of XACML to exchange ideas and information on expressing policies using the XACML OASIS language. Subscribe or view archives.*

xacml-demo-tech: a mailing list restricted to XACML TC members interested in technical aspects of an interoperability demo; archives are also limited to TC members. Subscribe or view archives.*

xacml-demo-mktg: a mailing list restricted to XACML TC members interested in marketing aspects of an interoperability demo; archives are also limited to TC members. Subscribe or view archives.*

*To minimize spam, you must subscribe to these lists before posting.

 



Available XACML Implementations

It is known that various developers have implemented XACML code andXACML support tools; some of these implementations are publiclyavailable for download. The following are listed here solely for theinformation of parties interested in XACML. By including these links,neither the XACML TC, nor OASIS itself, is endorsing or recommendingthese implementations in any way. This list may be modified at any timeas further information about these or other implementations becomesknown.



  • AuthzForce: open source project that provides a XACML 3.0 compliant policy engine, in two forms, depending on your needs:

    • Java API: AuthzForce provides a XACML 3.0 PDP engine as a Java library that enables applications to use an embedded XACML PDP in Java. More info: https://github.com/authzforce/core/

    • RESTful API: AuthzForce provides a multi-tenant RESTful API to PDP(s) and PAP(s) that enables web clients to manage policies, request authorization decisions, etc. Developed in the scope of the FIWARE European project. More info: https://github.com/authzforce/server

  • University of Florence, IT: FACPL (http://facpl.sf.net), an Eclipse plug-in for the specification and analysis of XACML 3.0 policies. XACML policies can be analysed by automatically translating them into FACPL policies and then by using the FACPL analysis tools.The analysis explicitly addresses missing and additional attributes that could possibly lead to unexpected authorisation decisions.Additional details on the supported properties can be found in the FACPL user's guide.

  • Testing and Verification of Security Policies: This project develops novel techniques and tools for testing and verification of security policies including XACML and firewall policies as well as security models https://sites.google.com/site/asergrp/projects/policy

  • pam_xacml: Enable XACML Az for legacy apps (SS5 Socks Server, su, Apache, ...) using "pluggable 'authorization' modules" (PAM) http://pamxacml.sourceforge.net/



 

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