1. 1

2. Enterprise Users & The Internet

5. Main Office 365 IP & URL Page

6. RSS Feed

7. Change Notification Page

8. Main Office 365 IP & URL Page

9. Exchange Online IP & URL Page

10. SharePoint IP & URL Page

11. Forefront Online Protection for Exchange Page

12. Exchange Online Protection Page

13. Lync Online IP & URL Page

14. Main Office 365 IP & URL Page

15. Office 365 suite URLs

16. Office 365 IP Addresses

18. Enterprise Users & The Internet

19. Traffic filtering & CDNs Goal: Improve the speed and efficiency for all Office 365 customers Method: Leverage internal and 3 rd party Content Delivery Networks (CDNs) to host graphics and other parts of the service Issue #1: IP Addresses of content delivery network endpoints are not necessarily within the control of Microsoft Issue #2: IP Addresses of content delivery network endpoints change based on CDN requirements

21. Enterprise Users & The Internet

22. jmaher@Microsoft.com jmaher@Microsoft.com @joshmaher

23. © 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.