I am using a Windows 8 pc that had Fiddler on it and I removed Fiddler.  After removal, I could no longer get on the Internet.  I checked the LAN Settings in Internet Options in IE 10 and found the proxy server set.  I changed the "Use a proxy server..." to Automatically detect settings and clicked Ok, but the change is not saved.  If I reinstall Fiddler and start it I can then get on the Internet.  If I close Fiddler I again cannot get on the Internet.  Is there a procedure I can use to remove Fiddler manually?
Thank you.

I am trying to replace Coldfusion generated file with my saved response.

When I replace the CFM document with the one form my drive by using the autoresponder, I get this:
Resource interpreted as Document but transferred with MIME type application/octet-stream

 
.. and than Chrome tries to download and save the file.

Any ideas? I've tried to make Chrome th edefault program to open this kind of file, but it didn't help.

 Hi,

Using Fiddler last version over Windows Server 2012 R2

I started fiddler to debug some things and closed it, know all applications try to connect to tcp 8888 for web requests, but fiddler process has exited.

a restart or an uninstall doesn't fix this problem.

Where is this information saved so that Browsers (proxy settings are already blank) and Apps try to use fiddler's proxy? how can I clear it?

Many thanks.

My fiddler has stopped working.  Is there a new file or anything I can do to fix the problem?

 

Hey,

 

I'm quite new with Fiddler and want to test what I can use it for.

I would like to configure my Proxy with an UI within Fiddler without the need to click myself through the Fiddler Options.
I already wrote a Fiddler plugin, but I can't find any method to change the Proxy Configuration through scripting.

Does anyone have an approach to solve my issue? 

 

Thank you very much in advance !

 

I'm trying to decompress post body name and value pairs that are being sent by my android handset in a gzip format.  I'm fairly new to this product so any help would be appreciated.

I am using Fiddler4 to debug a login to the following website: pge.com

When I am using Firefox as my browser, then after entering a login, I get an error in the HTTPS tunnelling.  It shows a red exclamation mark icon, and it says:

The error occurs multiple times as the connection gets retried.  The combination of Firefox and Fiddler cannot seem to move past this error.

However, when using Firefox without Fiddler, the login to the site works fine.  Also, when using Internet Explorer (instead of Firefox) with Fiddler, the handshake actually passes: I see the tunneling error happen once, and then another tunneling session occurs that's successful, which says:

 

You can reproduce these handshake errors by trying any login, even a bogus login (e.g. username="a", password="a").

Why does this handshake only fail using Firefox with Fiddler?  Why does it pass when Firefox is used without Fiddler, and why is Internet Explorer with Fiddler able to move past the error and do a successful handshake whereas Firefox with Fiddler is not able to?

Thanks.

Hi folks! I've been using Fiddler for some time for work projects and haven't had any issues until this week. I'm attempting to verify traffic through an internal site using Fiddler, and I have downloaded and installed the Fiddler Root Certificate and configured the proxy server. Websites on my test device are loading normally, and I'm able to view the Fiddler Echo Service page, but no traffic from any site (HTTP or HTTPS) from the mobile device is being captured on my laptop's Fiddler. I'm using an iPad Air on iOS9.3.2 and Fiddler v4.6.2.0.

 

Any help is appreciated!

 

 

Hi, I am trying to do a simple GET request via the composer for URL like https://<xxx>.visualstudio.com/DefaultCollection/_apis/wit/workitems?ids=1&api-version=1.0

And it keeps going to https://<xxx>.visualstudio.com/_signin instead of returning the data.  I can paste the link in the browser and gets the results in a json file just fine.

I have automatically authenticate enabled under options, and I have tried including "Authorization: Basic <my personal access token>" in the header as well, but neither worked.

Does anyone know a way to work around this?  Thanks.

 

Hi,

I'm trying to set up fiddler as a transparent proxy for HTTP(S)

Traffic Flow:  WindowsHOST ---> Ubuntu (IPtables) ----> fiddler (listen on 8888 )  --> Internet

I have enabled HTTPS decryption + allow remote computer + prefs set fiddler.network.https.SetCNFromSNI true + added fiddler root cert to WindowsHOST

 HTTP working fine, however HTTPS not working...

All traffic routed correctly to fiddler using DNAT.

In addition I tested the same setup replaced fiddler with burp suite and all working fine, including HTTPS interception, I would love to use fiddler instead :)

I would really appreciate any help,

Thanks.