Wednesday, June 8th, 2005

Microsoft’s Fiddler HTTP Debugging Tool

Category: Utility

Fiddler is a HTTP Debugging Proxy which logs all HTTP traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP Traffic, set breakpoints, and “fiddle” with incoming or outgoing data. Fiddler is designed to be much simpler than using NetMon or Achilles, and includes a simple but powerful JScript.NET event-based scripting subsystem.

Seems similar to Tcpmon and others, a nice tool to have.

Fiddler home page

Download

Fiddler Screenshot

Posted by Dion Almaer at 7:40 am
2 Comments

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2.8 rating from 6 votes

2 Comments »

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Fiddler seems to completely miss xmlHttpRequest traffic and it needs to reset your proxy settings to work.

Comment by Anon — June 8, 2005

Use “proxycfg.exe -u” to set the user level registry settings from Fiddler to the system level.

Comment by David Sommers — September 4, 2006

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