Top "Fiddler" questions

Fiddler (aka "Fiddler classic") is a .net based web debugging proxy, which allows you to log, examine, modify and replay HTTP/HTTPS traffic from your computer.

Why are CORS requests failing in Microsoft Edge but working in other browsers?

I'm using jQuery to send cross origin ajax requests and they're working fine in IE11, Chrome and Firefox but they …

cors fiddler microsoft-edge
Why make use of HTTPS when Fiddler can decrypt it

I have just discovered that Fiddler can decrypt HTTPS traffic. For instance, I deployed a website on localhost using HTTPS. …

debugging networking encryption https fiddler
Fiddler not displaying sessions

I've got the latest version of fiddler installed on 2 machines (v2.3.0), and on one machine it displays web sessions, and …

fiddler
How to display the request sent time and the response received time in Fiddler?

I'm working with Fiddler Web Debugger tool version 4.4.4.8. I've made a request to e.g. www.google.com and fiddler …

web request response fiddler
What is the meaning of this fiddler icon?

I got a line in fiddler2 looking like this: ICON # status protocol host url XXX 3 200 HTTP www.myserver.com /images/…

icons fiddler
fiddler2 unable to generate certificate

I'm using Fiddler2 (or trying) to capture SSL traffic for a windows desktop gadget hitting an https web service. It …

https fiddler makecert
Get HTTP requests and responses made using HttpWebRequest/HttpWebResponse to show in Fiddler

Is there any way I can hook Fiddler up to capture requests and responses made using .NET HttpWebRequest and HttpWebResponse?

.net httpwebrequest fiddler httpwebresponse
Fiddler not sniffing SOAP traffic from ASP.NET website

So far I've been successfully using fiddler to sniff web service traffic from both test fixtures, console apps and web …

asp.net wcf soap fiddler visual-studio-2008-sp1
Fiddler: Error 502 Proxy Error

I am using Fiddler to debug all HTTP request of my ASP.NET application. For a while (about 6 months) I …

asp.net fiddler isaserver
Fiddler 2 Wipes My Internet Explorer Proxy Settings

I just started using Fiddler 2 to create request objects for REST,JSON, and SOAP based services that I have been …

internet-explorer fiddler proxy-server