Hello,

FiddlerCap was used to work smoothly, but since I updated to latest version, I always get the following error when I start capturing a session:

503 Service Unavailable
Failed to resolve the name of server fiddlercap.fiddler

I attached a screenshot.

Thanks,
Salvatore

I have installed Mono 3.4 for OSX and Fiddler2 for Mac from http://fiddler.wikidot.com/mono.

When I attempt to open Fiddler.app...it just hangs and I have to force quit it.

Any help is much appreciated.

Tom

I installed Fiddler to view the traffic to/from a local application via http://localhost:8888/.. I installed Fiddler 4.4.6.2 but am a bit confused by a couple of things.

When I run my test that accesses my app (on http://localhost:8888/.. ) I see the traffic in Fiddler, but the client I am testing crashes because it seems to be getting back something from Fiddler Echo Service instead of the actual response from my app. How do I stop that?

Secondly, even when I turn capturing off (File > Capture Traffic), it is still capturing traffic. I have to exit from Fiddler before it stops.

Is there something else I am meant to do here just to get Fiddler to view the traffic, not modify it, and to stop capturing when I ask?

Thanks!

Rob
:)

Hi everybody,

I use Windows 7 with a dark theme. Fiddler works great with it. 

Problem is, when I save a .saz file and then load it, Fiddler shows a white highlight on all the requests. That highlight makes the request unreadable. I have no idea why it does this or whether the highlight has any meaning. It doesn't show that highlight when working normally, only when loading a .saz file.

Screenshot attached.

Any idea how to get rid of this? 

I try to debug a Web-Service that takes XML data as input and returns a PDF.
Since I could not convince Fiddler to write the response to a usable file, I tried my luck with the PDFVierer addon.

I noticed that the PDF is technically correct, however the PDFView windows does not show any text on the page. Graphical elements are shown, just all the text is missing. I managed to capture the PDF file with a different tool and the file itself is OK. All my PDF readers show the text. It's just the Fiddler PDFView Plugin that does not.

The PDF references plain Arial Font which would probably render with the "default sans serif" font for devices that do not know Arial (my Windows does).

Anything I can do about that? Maybe any way to hand the extracted file to the default handler for that content type?

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Hello everyone,

I'm new to the forum and hope you ca help me out...
I'm using Fiddler2 v4.4.4.8 (by the way, I did upgrade to then latest version, but I'm still having the same issue)

Under AutoResponder, I added a rule (complete url to a strream flash file), specified the new flash file I want fiddler to respond with (use instead of the browser one). I've cleared my browser cache, and every time I play the stream, the browser flash file is captured again (instead of auto-responding) with the one saved already!!!

It used to work just fine, but now it appears as if the auto-responder (although checked) is not working at all...it's just a pass-through!!!

Any suggestion or setting I may be missing is greatly appreciated!

Thank you in advance!

I want to test input validation of all WebForm fields for any given field,  and not have to breakpoint and manually change values for each of the fields,  and then be able to view the results pages.  

Is this feasible with Fiddler? 

Thanks 

Is it possible to get older versions of Fiddler ?

I've been very happy until I upgraded.

Whenever Fiddler is running my connection is lost and debugging is impossible. When I poke around with the connection settings, I can get some connectivity, but HTTPS traffic is broken and not debuggable.

I don't have time to poke around and f$k around with settings which have changed or debug an application. It just worked so I'd like to revert or abandon.

The fact I need to sign up to be able to post here is also a annoyance: I KNOW you'll spam me with your other products and idiot newsletters for products I'll search for when and if I need them. I've been happily using fiddler without being annoyed or being spammed since 2003 and wish to continue to do so.

Firefox Fiddlerhook: What is the difference between "Use Fiddler automatically" and "Force traffic to Fiddler"?

If you install fiddler it will completely screw up google.