This session starts with the basics on how to use the Fiddler Web Debugging tool with SharePoint 2010, and then explores add-ons. In conclusion, Penny will discuss how fiddler can help with SharePoint Online.

1. #SPSBE
How to fiddler with
SharePoint 2010
#SPSBE23
Penny Coventry

2. ABOUT ME
• Independent Consultant
• Author/Co-author 10 SharePoint Books
• Trainer
• Worked with SharePoint since 2001
• Based in UK, work Europe & US
• Microsoft MVP SharePoint Server
• Blogs/Web Site
• http://www.sharepointdesignerstepbystep.com/
• Twitter: @pjcov

3. A big thanks to our sponsors
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4. CONTENT
• What is it and how does it Work?
• Getting to Know Fiddler
• Traffic Import
• Summary
• Resources

5. WHAT IS FIDDLER?
IT’S JUST ONE OF THE TOOLS OF YOUR TRADE
• Developer • Log analysis
• SPMonitoredScope
• SPDiag
• Developer Dashboard
• Fx Cop (.NET Code Analysis) • ULSViewer
• SP Dispose Check • Performance Analyzer Logs
• IE Dev Toolbar (PAL)
• Profiling • IIS Log Parser
• Perfmon • Http roundtrip analysis
• SQL Profiler
• Fiddler
• Win DBG
• Netmon 3.4
• SQLIO Disk Subsystem
Benchmark Tool

6. BUT REALLY – WHAT IS IT?
• It’s Free
• First Released October 2003
• Developed by one man:
Microsoft employee: Eric Lawrence

7. WHAT DOES IT DO?
• Capture and view all HTTP and HTTPS
• “Fiddle” with incoming and outgoing data
• Modifies Page Requests and Responses
• Manipulates timing
• Decrypts HTTPS traffic

8. WHO USES FIDDLER?
• Microsoft engineers
• Support teams
• Lots of external web developers
(10K+ downloads per week)
• Security researchers
• SharePoint Admins
• …
• Some bad guys 

9. HOW DOES FIDDLER WORK?
Firewall
Firefox
CryptoAPI WinHTTP
Internet Company
WinINET Fiddler http://internet
Explorer Proxy
Office
SPD
2010
Source: Microsoft

10. DEMO
Getting to Know Fiddler
• A Quick Tour of Fiddler

11. SESSION ICONS

12. FILTERING HTTP TRAFFIC
• Application Type Filter - Toggle
• QuickExec box
• Process Filter
• Filters tab
• Find Sessions
• Rules

13. QUICKEXEC BOX
• Type commands:
• Cls
• ?sometext
• >40000
• =301
• =POST
http://www.fiddler2.com/fiddler/help/quickexec.asp
• Write Your Own – FiddlerScript
• neXpert Performance Tool
• Adds commands
• Generates HTML recommendations report

14. HELP WITH SHAREPOINT CAPTURES
• Kerberos
www.microsoft.com
/download/en/
details.aspx?id=23176

15. INFOPATH
• Darvish Shadravan:
blogs.msdn.com/b/shivajin/archive/2009/05/11/deep-dive-
on-infopath-request-and-response.aspx
ipfswebtest.codeplex.com/

16. Demo
Filters

17. DEBUGGING NON-WINDOWS CLIENTS
PC
MAC
Linux Fiddler http://internet
iPad
Windows
Phone
Source: Microsoft

18. WHAT ABOUT FIREFOX?
• Used to be a problem
• Reconfigure proxy settings every time you start and
stop Fiddler
• FiddlerHook pluggin for Firefox 3+
• Firefox proxy settings to
• Use system proxy
• Behaves like IE

19. DEMO
Remote Clients

20. EXPORT / IMPORT
• Import web traffic from other tools
• HTTP Archive JSON (.har)
• HTTP Archive XML (exported from IE9 Developer Tools Network Tab)
• Export formats
• Session Archive ZIP (SAZ)
• HTTP Archive JSON v1.1
• HTTP Archive JSON v1.2
• Visual Studio Web Test XML
• WCAT Load Test Script
• Raw Files
• Meddler Scripts (added in v2.3.5)
• HTML5 AppCache Manifests (added in v2.3.6)
• IE 9 -> Developer Tools -> Network tab
blogs.msdn.com/b/ie/archive/2010/04/22/ie9-developer-tools-network-tab.aspx
msdn.microsoft.com/en-us/library/gg130952(v=VS.85).aspx

21. SAZ FILES
• Specially formatted .zip files
• Stores HTTP(S) traffic for later use
• File -> Save
• QuickExec box: dump or Savesaz filename
• nExpert tab: Save Sessions w Report to Zip
• File -> Load Archive
• Can be Password-protected/Encrypted File -> Fiddler Options -> General
• FiddlerCap
• Used to troubleshoot website problems
• Lightweight version of Fiddler
• Non-technical user creates SAZ file
• Sends to Expert for Analysis

22. Demo
Traffic Export / Import

23. Fiddler application with Your application hosting
extensions FiddlerCore
Fiddler 2
Inspector2
Inspector2
ExecAction.exe
IFiddlerExtension
YourApp.exe
IFiddlerExtension
Fiddler ScriptEngine
Your FiddlerScript
FiddlerCore FiddlerCore
Xceed*.dll Makecert.exe Xceed*.dll Makecert.exe
Source: Microsoft

24. SUMMARY
• HTTP/HTTPS Debugger
• More than just traffic capture
• Runs as Proxy Server:
• Local Machine
• Remote Server
• Written in C#
• Free: www.fiddler2.com

25. RESOURCES
• MSDN blogs:
• blogs.msdn.com/b/fiddler/
• blogs.msdn.com/b/nexpert/
• Discussion group: groups.google.com/group/httpfiddler
• Twitter tag: #fiddler2
• Facebook: www.facebook.com/pages/Fiddler-Web-Debugger/214143918785
• Fiddler Book Table of Contents: https://groups.google.com/forum/m/#!topic/httpfiddler/0CKFAKYe88E
• Google groups forum: https://groups.google.com/forum/m/#!forum/httpfiddler
• Other Useful links:
• stackoverflow.com/questions/tagged/fiddler
• serverfault.com/search?q=fiddler
• www.eggheadcafe.com/searchform.aspx?search=fiddler
• HAR file to Page Speed
• www.stevesouders.com/blog/2010/05/01/har-to-page-speed/
• stevesouders.com/flint/
• neXpert Performance Analysis Plugin www.microsoft.com/download/en/search.aspx?q=nexpert

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