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Shibboleth Identity Provider Version 3 IAM Online March 11, 2015 Scott Cantor, Shibboleth Development Team Marvin Addison, Shibboleth Development Team.

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Presentation on theme: "Shibboleth Identity Provider Version 3 IAM Online March 11, 2015 Scott Cantor, Shibboleth Development Team Marvin Addison, Shibboleth Development Team."— Presentation transcript:

1 Shibboleth Identity Provider Version 3 IAM Online March 11, 2015 Scott Cantor, Shibboleth Development Team Marvin Addison, Shibboleth Development Team Tom Barton, University of Chicago and InCommon TAC

2 The first, and foremost, achievement of the Internet2 Middleware Initiative Federation technology built on SAML is changing our world SAML was declared dead before Shib was developed Revived by Bob Morgan, powered by Scott Cantor Interfederation is happening, providing the base on which an access management decision can be effective anywhere in the world Shib IdP v3 is the best tool to manage your organization’s integration with the global access management fabric 2

3 Shibboleth Identity Provider Version 3 Scott Cantor The Ohio State University Marvin Addison Virginia Tech

4 A Bit of History Version 1 – 2003 – 2008 SAML 1, inventing a lot of concepts on the fly Version 2 – 2008 – 2015 SAML 2, harmonizing two protocols Version 3 – ? Focus on design, deployability, and sustainability over features 4

5 Why Upgrade? Compelling reasons for you Easier UI and login customization, error handling, simpler clustering, attribute release consent, easier handling of vendor quirks, much improved update process, CAS protocol support Compelling reasons for us Up to date library stack, much easier to deliver future enhancements, V2 maintenance is a drain on limited resources A practical reason V2 maintenance and user support is very finite; you don't have to upgrade, but you can't stay here 5

6 User Interface Leverages "views" from Spring Web Flow Views can be Velocity templates, JSP pages, potentially others Most views are Velocity by default so they can be modified on the fly, including example login/logout/error templates Spring message properties Reusable macros across views (e.g., logo paths, titles, organization names, etc.) Can be internationalized to a browser's primary language 6

7 Error Handling WebFlow is event-driven, so most errors are "events", e.g., "MessageReplay" Events can be classified by you as Local or non-Local, local meaning "don't issue a response back to requester" Error view(s) under your control, an example view is provided using message properties to map events into different error content You can reuse example, roll your own, map events to different views, etc. 7

8 Clustering Ding-dong, Terracotta's dead With one exception, all short/long-term persistent state relies on a StorageService API in-memory cookie (*) JPA / database memcache Web Storage (TBD) Defaults allow zero-effort clustering with most critical features supported 8

9 Consent New first-order concept: interceptor flows Security/policy checks run this way invisibly Also have “post-authentication” hook for running flows after user identified, several built-in examples uApprove-style attribute release consent and terms of use flows (former is on by default on new installs), has an enhanced mode of approving each attribute individually Context-checking flow that can halt processing if expected conditions aren’t met, such as attributes or specific values available 9

10 Vendor Quirks Common use cases for integrating vendor SAML implementations are easier and less invasive Security settings like digest algorithms can finally be overridden per-SP or group of SPs Assertion Encryption can be made “optional” so it turns on whenever possible and off when not (based on metadata) Setting up custom NameID formats in a dedicated place Attaching custom SAML encoder rules to attribute definitions and limiting them to specific SPs 10

11 Safe Upgrades Simpler, safer, robust upgrade process: Review release notes Stop service Unpack, install over top Rebuild warfile to add back local changes Start service Clearly delineated “system” and “user” config files Local warfile overlay to prevent losing webapp changes or additions On Windows, Jetty can be installed and managed for you in simple deployments, Unix TBD 11

12 CAS Protocol Major technical goal for redesign was to facilitate non-SAML / non-XML protocol integration CAS was a natural candidate to work on and help prove out the design 12

13 Speaking with Developer “Hat” ● CAS application developer since ≈ 2005 ● CAS server committer since ≈ 2010 ● CAS server module lead (LDAP, X.509) ● Occasional CAS server release engineer ● Middleware contributed to a number of CAS clients (Java,.NET, mod_auth_cas) Middleware 13

14 IdP+CAS Background ● Virginia Tech has both CAS and Shibboleth o Both are essential 24x systems o One FTE for development and support of both ● Rumors of IdPv3 multi-protocol support ● Approach Shib dev team with proposal o CAS protocol support deemed feasible o VT contributes feature to ship with IdP 3.0 ● One system to rule them all 14

15 Protocol Design Goals ● Provide essential features of CAS protocol o Renew+gateway o Proxy (PGT/PT) o Attribute release o Logout/Single Logout (SLO) ● Drop-in compatibility with popular CAS clients ● Leverage IdPv3 design for new capabilities 15

16 Protocol Status ● CAS protocol v2 compliant o With attribute release “extension” o Without logout support ● CAS-flavored SAML 1.1 ● Logout w/SLO slated for IdP ● Beta status o Apache, Java,.NET, and PHP clients tested o VT production deployment planned o Evaluators needed 16

17 Protocol Requirements ● Server-side IdP storage o MemoryStorageService o MemcachedStorageService o JPAStorageService ● Configure metadata for relying parties o Service registry is familiar facility o CAS analogue of SAML metadata ● (Optional) Proxy trust configuration 17

18 Switching gears… 18

19 Speaking with Deployer “Hat” ● Virginia Tech adopted CAS circa 2003 ● Virginia Tech adopted Shib circa 2006 ● CAS gets the majority of resources ● Our IdPv2 infrastructure needs some love ● We have considered consolidating on a single SSO platform for years ● Attribute release policy is a pain 19

20 Compelling Reasons to Upgrade ● Consent engine solves policy headaches ● SSO platform consolidation ● Enhanced system architecture ● Improved security policy machinery 20

21 Consent: #1 Driver for V3 21

22 Business Case for Consent ● User consent solves FERPA morass ● Accelerates service integration o Presently >30 days on average o Target <7 days on average o Friction-free integration with InC R&S services ● Simplifies attribute release policy ● Improves R&S compliance ● CAS ecosystem benefits as well 22

23 Consolidate and Save ● Time ● Money ● Headaches If you are a CAS+Shib school like Virginia Tech, there’s an obvious case to be made for a single SSO service at your school. 23

24 Current SSO 24 ● Two separate but integrated systems ● 2n everything ○ Development ○ Patches ○ Policy** ● Complexity is the enemy

25 Ideal SSO 25 ● One system, two protocols ● Obvious Cost Benefits ● Capabilities++ ● Consent ● Attribute engine ● 2-factor authn ● SLO

26 IDPv3 Does HA Better ● Terracotta was never a tenable option ● New StorageService API o More choices o Known, capable technologies o Fits any size deployment 26

27 Current IdP (2.x) Arch.

28 Planned IdP (3.x) Arch.

29 Security Policy Enhancements 29

30 Make Plans to Upgrade! Manage through ever increasing security and trust needs SHA-1 → SHA-2 Categories/Tags Per-entity or entity group 2FA Consent InCommon encourages you to! Updating Shib training to be v3 focused Updating wiki doc Baseline practices, participant and federation, to be revised in light of those ever-increasing security and trust needs 30

31 Evaluation Please complete the evaluation of today’s webinar https://www.surveymonkey.com/s/IAM_Online_March_2015 https://www.surveymonkey.com/s/IAM_Online_March_

32 Upcoming Events April – Internet2 Global Summit, Washington, DC October 4-7 – Technology Exchange, Cleveland, OH More information at 32


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