Collaborating with Extranet Partners on SharePoint 2010 - SharePoint Connections Amsterdam 2011
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This document discusses using SharePoint 2010 to collaborate with external partners through an extranet. It covers: 1) The benefits of an extranet for security isolation and partner collaboration. 2) SharePoint 2010's improved support for claims-based authentication and multiple authentication providers to better support extranets. 3) Various architecture options for extranet implementations, including scenarios where extranet and internal users are separated across farms or forests with different levels of access and security isolation.
Collaborating with Extranet Partners on SharePoint 2010 - SharePoint Connections Amsterdam 2011
- 1. Collaborating with Extranet Partners Using SharePoint 2010 Michael Noel @MichaelTNoel
- 2. Michael Noel • Author of SAMS Publishing titles “SharePoint 2010 Unleashed,” “SharePoint 2007 Unleashed,” “SharePoint 2003 Unleashed”, “Teach Yourself SharePoint 2003 in 10 Minutes,” “Windows Server 2008 R2 Unleashed,” “Exchange Server 2010 Unleashed”, “ISA Server 2006 Unleashed”, and many other titles . • Partner at Convergent Computing (www.cco.com / +1(510)444-5700) – San Francisco Bay Area based Infrastructure/Security specialists for SharePoint, AD, Exchange, Security
- 3. What we’ll cover • Why an Extranet? • SharePoint 2010 Extranets • Extranet Architecture Options • Claims-based Authentication • Forefront Unified Access Gateway (UAG) for extranets • Forefront Identity Manager for Identity Management in an Extranet
- 5. Why an Extranet? • Security Isolation – Isolation of Data – Less Exposure, Perimeter Network Scenarios • Partner Collaboration – Share SP Content with External Partners – Control Partner Accounts Anonymous Customer Scenarios are not Extranets
- 6. SharePoint 2010 Extranets • Claims-based Authentication Support • Multiple Authentication Providers • Better Scalability (Services Architecture) – Goodbye SSP! – Server Groups – Services Applications • Multiple Authentication Types per Web Application
- 7. Sample Extranet Architecture
- 8. Design around Security Requirements • Scenario 1: Extranet and Internal Users in Single Farm – 1A: Single Web App / Single Site Collection – 1B: Single Web App / Separate Site Collections – 1C: Multiple Web Apps / Content DBs Less Security – 1D: Separate App Pool / Service App Group • Scenario 2: Extranet and Internal Users in Single Farm / Separate Trusted Forests • Scenario 3: Extranet and Internal Users in Multiple Farms / One- Way Trust • Scenario 4: Extranet an Internal Users in Separate Farms / Claims- based Auth for Internal Access to Extranet More Security • Scenario 5: Extranet an Internal Users in Separate Farms / No Access for Internal Accounts to Extranet • Scenario 6: Separate Farms / AD FS Federation for Extranet Auth
- 9. Extranet Scenario 1: Extranet and Internal Users in Single Farm 1A: Single Web App / Single Site Collection 1B: Single Web App / Separate Site Collections 1C: Multiple Web Apps / Content DBs 1D: Separate App Pool / Service App Group
- 10. Extranet Scenario 2: Extranet and Internal Users in Single Farm / Separate Trusted Forests
- 11. Extranet Scenario 3: Extranet and Internal Users in Multiple Farms and Perimeter Network / One-Way Trust
- 12. Extranet Scenario 4: Extranet an Internal Users in Separate Farms / Claims-based Auth Provider for Internal Auth to Extranet
- 13. Extranet Scenario 5: Extranet an Internal Users in Separate Farms / No Access for Internal Accounts to Extranet
- 14. Extranet Scenario 6: Separate Farms / AD FS Federation for Extranet Auth
- 15. Extranet Notes
- 16. One-Way Trust Scenarios • People Picker needs to be configured to crawl domain if it doesn’t trust the domain where the SharePoint farm is installed. • Only with STSADM (Rare exception when you can’t use PowerShell) • Example Syntax: – stsadm.exe -o setapppassword -password AnyPassw0rd – stsadm.exe -o setproperty -pn peoplepicker-searchadforests -pv "domain:companyabc.com,COMPANYABCsvc_sppplpick,Password1;domain:e xtranetabc.com" -url https://extranet.companyabc.com – stsadm.exe -o setproperty -pn peoplepicker-searchadforests -pv "domain:companyabc.com,COMPANYABCsvc_sppplpick,Password1;domain:e xtranetabc.com" -url https://spcaext.companyabc.com • Syntax is critical • Run against all web apps
- 17. Design for Clientless Access to SharePoint • Services Applications for Extranet Clients: – Word Services – Excel Services – Visio Services – Access Services – InfoPath Forms Services • Allows ‘Clientless’ access to SharePoint content, for Extranet partners without Office
- 18. Standard Requirements Apply to Extranets as well • SharePoint-aware Antivirus – i.e. Forefront Protection for SharePoint • SharePoint-aware Backup and Restore – i.e. System Center Data Protection Manager (DPM) 2010 • Rights Management? – Active Directory Rights Management Services (AD RMS)
- 19. Content Deployment with Extranets
- 21. Claims-Based Auth • SharePoint doesn’t actually Authenticate Users, it relies on IIS or other providers • SharePoint 2010 Allows for Classic and Claims-based Auth Scenarios • Classic Authentication is similar to SharePoint 2007 • Claims based Auth adds the following key benefits: – Allows for Multiple Authentication Types per Web Application Zone – Removes SharePoint from the Authentication Provider – Allows for federation between organizations (AD FS, etc.) scenarios – Does not require Kerberos Delegation • Current limitations with Claims-based auth involve SQL Reporting Services, PowerPivot, PerformancePoint, and other SQL tools that require delegation. These appear to be fixed in SQL 2012. • Remember the difference between Authentication and Authorization…
- 22. Classic vs. Claims-based Auth Classic-mode Claims-based Type authentication authentication Windows NTLM Kerberos Yes Yes Anonymous Basic Digest Forms-based authentication LDAP SQL database or other database No Yes Custom or third-party membership and role providers SAML token-based authentication AD FS 2.0 No Yes Third-party identity provider LDAP
- 24. Example: Partner Environment with Multiple Auth Types on single W.A.
- 25. Forefront Unified Access Gateway
- 26. UAG Architecture Data Center / Corporate Network Exchange CRM Mobile SharePoint IIS based IBM, SAP, Oracle Home / Friend / Kiosk Layer3 VPN Terminal / Remote HTTPS (443) Internet Desktop Services DirectAccess Non web Business Partners / AD, ADFS, Sub-Contractors RADIUS, LDAP…. NPS, ILM Employees Managed Machines
- 28. What about TMG? (New ISA) Capability TMG 2010 UAG 2010 Publish Web applications using HTTPS X X Publish internal mobile applications to roaming mobile devices X X Layer 3 firewall X X* Outbound scenarios support X X* Array support X Globalization and administration console localization X Wizards and predefined settings to publish SharePoint sites and Exchange X X Wizards and predefined settings to publish various applications X Active Directory Federation Services (ADFS) support X Rich authentication (for example, one-time password, forms-based, smart card) X X Application protection (Web application firewall) Basic Full Endpoint health detection X Information leakage prevention X Granular access policy X Unified Portal X
- 30. Identity and Access Management Secure Messaging Secure Collaboration Secure Endpoint Information Protection Identity and Access Management Active Directory Federation Services ®
- 31. Manage SharePoint Identities • Create Multiple Authentication Providers for SharePoint Farms – AD DS Forests (Extranet forests) – AD LDS Authentication Providers – SQL Table (FBA) Authentication Sources – LDAP Providers – Etc… • Keep those Authentication Providers Managed
- 32. Identity Management User provisioning for SharePoint and other Applications • Policy-based identity lifecycle management system • Built-in workflow for identity management • Automatically synchronize all user information to different directories across the enterprise • Automates the process of on-boarding users Active Directory Extranet Forest Workflow User Enrollment Test Forest FIM HR System FBA Table Approval LOB User provisioned on all allowed systems App Manager VPN
- 33. Identity Management User de-provisioning • Automated user de-provisioning • Built-in workflow for identity management • Real-time de-provisioning from all systems to prevent unauthorized access and information leakage Active Directory Extranet Forest Workflow User de-provisioned Test Forest FIM HR System FBA Table LOB User de-provisioned or disabled on all systems App VPN
- 34. Identity Synchronization and Consistency Identity synchronization across multiple directories Attribute HR givenName Samantha Ownership System sn Dearing FIM title mail FirstName employeeID 007 LastName telephone EmployeeID GivenName givenName Samantha sn Dearing title Coordinator Internal givenName Samara mail someone@example.com AD sn title Darling Coordinator employeeID 007 telephone 555-0129 mail Title employeeID 007 telephone Identity Extranet Data givenName Sam AD sn Dearing title Intern E-Mail mail employeeID someone@example.com 007 Aggregation telephone LDAP givenName Sammy sn Dearling title mail Telephone employeeID 008 telephone 555-0129
- 35. Identity Synchronization and Consistency Identity consistency across multiple directories Attribute HR givenName Samantha Ownership System sn Dearing FIM title mail FirstName employeeID 007 LastName telephone EmployeeID givenName Samantha Bob sn Dearing title Coordinator Internal givenName Samara mail someone@example.com someone@example.com AD sn title Darling Coordinator employeeID 007 telephone 555-0129 mail Title employeeID 007 telephone Identity Extranet Data givenName Sam AD sn title Dearing Intern E-Mail mail employeeID someone@example.com 007 Brokering telephone (Convergence) LDAP givenName Sammy sn Dearling title mail Telephone employeeID 007 telephone 555-0129
- 36. Customizable Identity Portal SharePoint-based Identity Portal for Management and Self Service How you extend it Add your own portal pages or web parts Build new custom solutions Expose new attributes to manage by extending FIM schema Choose SharePoint theme to customize look and feel
- 37. Strong Authentication—Certificate Authority • Streamline deployment by enrolling user and computer certificates without user intervention • Simplify certificate and SmartCard management using Forefront Identity Manager (FIM) • Can be used to automate Certificate management for dual factor auth approaches to SharePoint logins End User SmartCard User is validated using multi- FIM policy triggers request for factor authentication FIM CM to issue certificate or Certificate is issued to user and SmartCard written to either machine or smart card FIM CM End User SmartCard FIM HR System FIM Certificate Management (CM) requests certificate User ID and User Enrollment and AD CS creation from Authentication request sent by Password HR System Active Directory Certificate Services (AD CS)
- 38. FIM for Extranet Forest Mgmt • Internal AD DS Forest • DMZ Extranet AD DS Forest • FIM Auto-provisions certain user accounts in Extranet forest and keeps Passwords in Sync to allow Internal users to access/collaborate with Partners • FIM allows Self-Service Portal Access for Extranet user accounts in the partner forest • Two-factor Auth scenarios, to automate provisioning of user accounts AND certificates to systems
- 39. FIM for Role Based Access Control • FIM is central to RBAC Strategy • Can auto-add users to Groups based on RBAC Criteria • HR Defines a user’s access based on their role • FIM auto-adds that user to specific Role Groups in AD DS, which are tied to SharePoint Groups that have the rights that that role group requires. User1 Role SharePoint Group Group User2
- 40. Session Summary • Understand the Extranet Design Options for 2010 • Keep Extranet Accounts out of local AD • Determine how Identities will be Managed • Use FIM for Identity Management, Self-Service, and Provisioning/Deprovisioning of Extranet Accounts • Use UAG to secure inbound access to extranets/intranets
- 41. Your Feedback is Important Please fill out a session evaluation form drop it off at the conference registration desk. Thank you!
- 42. Michael Noel Twitter: @MichaelTNoel www.cco.com Slides: slideshare.net/michaeltnoel