Fiddler Ideas

The free web debugging proxy for any browser, system or platform.

1 Vote

Crushes when set a comment.

Sometimes Fiddler crushes when set a comment with Japanese IME. It doesn't occur when input with English IME. Perhaps it's related to session what is multi-part post in Inspectors.

Created 05 Jul 07:12 by Guest

Bug

2 Under review
1 Vote

Small Bug ... It would be nice if the software realized when the system proxy was changed - the message never goes away

Your software correctly throws up a big yellow warning message about when the system proxy has changed. But after that it seems not to realize when it's changed ....yet again ... back to being "checked" under the Windows "Lan Settings" dialog boxe...

Created 19 Jun 09:58 by Guest

Bug

1 Under review
1 Vote

Clean EXIT

You should delete the routes from IE connection settings and any mods your application makes to the registry when the user clicks on the X in Fiddler. It seems like when you exit using File > Exit it does a "clean" exit. Please make this consis...

Created 13 Jun 13:18 by Guest

Bug

1 Under review
1 Vote

Check for update with beta enabled, doesn't find latest version.

When checking for updates I noticed that when I have 'offer upgrade to Beta versions' enabled, the response shows the latest version as 4.6.20171.14978 [03/22/2017]. I disabled checking for beta versions and it returned the latest released version...

Created 11 Jun 06:10 by Guest

Bug

0 Under review
1 Vote

Can't run latest Fiddler because it failed to fully uninstall the previous version

The Fiddler 4 installer thinks there's something still installed in c:\Program Files (x86)\Fiddler2, but that folder no longer exists and the old version of Fiddler is no longer listed in "Programs and Features". Error message when I run the new v...

Created 06 Jun 14:45 by Guest

Bug

0 Under review
1 Vote

400 Bad Request

code #!/usr/bin/env python3from urllib.request import urlopen # with fiddler open# no problem, see the slashresp = urlopen("http://www.baidu.com/") # with fiddler open# raises 400 Bad Requestresp = urlopen("http://www.baidu.com") # with fiddler c...

Created 01 Jun 06:46 by Guest

Bug

1 Under review
1 Vote

MD5SUM for downloads

I would like to know the MD5SUM or SHA256SUM for the download of Fiddler.

Created 31 May 17:04 by Guest

Feature Enhancement

1 Under review
1 Vote

Support .NET Core / WCF projects by registering as a proxy for WinHTTP

Related to forum thread: https://www.telerik.com/forums/fiddler-no-longer-capturing-web-service-requests-in-net We found that .NET Core projects use WinHTTP instead of WinINET. As Fiddler registers itself only as a proxy for WinINET, traffic from ...

Created 30 May 00:47 by Guest

Bug

2 Under review
1 Vote

Cookies issue in FiddlerScript

I need help with inserting cookies through FiddlerScript. I have cookies like below which contains " inside cookie value, when I remove " from cookie value I stopped getting response from server. Now the real problem is FiddlerScript doesn't consi...

Created 26 May 16:23 by Guest

Bug

0 Under review
1 Vote

Fiddler default cert maker should limit certificate validity to 820 days

Otherwise, Chrome may reject the certificate with ERR_CERT_VALIDITY_TOO_LONG https://twitter.com/irhymebetter/status/997163488559562752

Created 17 May 17:37 by Eric Lawrence

Bug

3 Under review