Fiddler Ideas

I was reading a malware report on the Fiddler Installer "[Sep-15-17] v4.6.20173.38786" and two things grabbed my attention. First SetupHelper is classified as malicious (Eric says that may be because it's missing the .exe extension) and second the...

I have followed the same step via your blog. But no luck to capturing .net remoting communication.

Chrome seems to think if the server name is missing from the SAN (subject alternative name) that the cert is invalid when the server name is correct on the subject name.

Hi, I recently used Fiddler installer "[Sep-15-17] v4.6.20173.38786" to upgrade from a July 2017 build. The installer, even when run as administrator, no longer chooses Program Files even if Fiddler is already installed in that location. Instead t...

The upside of Fiddler/HTTP's use of strings rather than strongly typed values is flexibility, backward/forward compatibility, and simplicity of implementation. The downside is that it makes writing FiddlerScript a lot more error prone than it cou...

Would be helpful for debugging SAML issues. (May not be feasible due to encryption but I don't know the guts of SAML so this is just a guess)

Fuller discussion here: https://groups.google.com/forum/#!topic/httpfiddler/nRvGMs4wYwA At a minimum, we should probably allow drag/drop of sessions out of the diff boxes to the Web Sessions list so that users can save manually.

I've struggled debugging a slow put-request to our ASP.NET Core 2.0 Web API. After trying most things, I realized turning Fiddler off solved it. I've confirmed this, enabling the listener adds about 1s overhead to the request. This is only present...

The error messages pops up on Windows 10 version 1703. Fiddler installs and runs with not issues on Windows 10 version 1607.

When I click a session in "TextView" that has a very big content size (1MB+), fiddler hangs for a long time. I am not sure if that is because the data is loaded from disk, or is parsed. In any case, I would suggest a partial, sequential load/parse...