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Questions tagged [fiddlercore]

FiddlerCore allows you to integrate HTTP/HTTPS traffic viewing and modification capabilities into your .NET application, without any of the Fiddler UI

152 questions
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Fiddler: Respond to Requests Requiring a Client Certificate

I'm trying to scrape a website that first asks for a certificate. After you are authenticated it then will ask you to provide a username and password. Anyway I'm trying to use fiddler to see what i need to replicate and when i turn on it to "Capture…
Mickey Sly
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utilReplaceInRequest does not replace strings in HTTP request body in FiddlerCore

utilReplaceInRequest does not seem to be working for me in FiddlerCore. I'm uploading a file to a cloud service (Microsoft Azure). I can see that the body of the associated HTTP request contains the file contents. I need to replace some of those…
Stan Fallon
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How to Get the HTTP Post data in C# - FiddlerCore?

I am using Fiddler. When I capture a request, it's a Fiddler.Session object. I've been searching this object for hours now, and I can't find the Request Payload. I have searched through all properties, maybe I skipped something, but I can't find it.…
Cher
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How can i capture https respond via fiddlercore?

I have download fiddlercore DEMO,and i try to use it in my application whitch was depends on WPF,then i hava a question that in my application i can't capture https responds resources? enter image description here my code just under below: …
zhang mike
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FiddlerCore: is it safe to use Session.id as unique identifier?

I'm trying to fix someone else's code. In the original code, he uses Session.fullUrl as TKey for a ConcurrentDictionary. Everything works fine until the client sends two requests with the exactly same url at the same time, apparently that's not a…
RadarNyan
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FiddlerCore Without Registering As A System Proxy

I have a .NET Application that I need to alter some WCF traffic headers on. The Microsoft folks told me there is no way to really inject the headers I need in the request and pick them up out of the response with the current framework. What I…
Ryan
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Fiddlercore is not able Capture the traffic for HTTPS in Firefox V 41?

I was trying to capture the HTTP/HTTPS Traffic in Firefox using Fiddlercore but i am getting the error "This Connection is Untrusted". i had tried to change the proxy setting to the Use System Proxy and added the FiddlerCore Certificate even though…
Ravi Kanth
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Start and stop Fiddler from command line

I have the following requirement: I need to start Fiddler from the command line. It will start capturing my traffic immediately. After some time, I want to stop capturing the traffic, but not close Fiddler. What is the best way to achieve this ?…
Samir Joglekar
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Dynamically set upstream proxy for each FiddlerCore session

In my project, every client request will have a custom HTTP header that specifies the upstream proxy (gateway) the client wants to use. There is documentation on how to use an upstream proxy in FiddlerCore, but this seems to be a global setting, not…
Diego
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Capture all requests with FiddlerCore

I am trying to monitor traffic using FiddlerCore and WebBrowser Controller, I have below code to capture web requests in C# private void button1_Click(object sender, EventArgs e) { List oAllSessions = new…
user969068
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Creating a root certificate in FiddlerCore

I am using Fiddler Application to inspect / debug HTTPS , I found that when I am activating the HTTPS Fiddler Automatically Create and Install a certificate , is it possible to achieve the same behavior using FiddlerCore ? Best Regards Yuval
user2679391
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How to verify a certificate in fiddler core?

I want to verify the certificate issued by the server to be valid and alert the user to choose if it cannot be verified. Presently it seems all certificates are accepted by fiddler without alerting the user. Is there a mechanism to do it? perhaps in…
justcoding121
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Better Webbrowser Control with More Control Over Urls and Information?

I have an issue bugging me for the past few weeks. What I'm trying to accomplish: I need a webbrowser control with the ability to change user agent (once at start) and referrer. But most important The ability to see the urls responses. What I mean…
Boris Daka
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How to redirect https tunnel traffic to https://localhost:8444 with FiddlerCore

How to redirect https tunnel traffic to https://localhost:8444 with FiddlerCore? The CONNECT has an upgrade to WebSocket and the HTTPS traffic is through WS messages. The following code is from FiddlerScript and it works like a…
Amrendra
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Configuring specific application to use proxy?

Is it possible to force a specific windows application to use a proxy [address:port] so I can direct its traffic through my FiddlerCore app to analyze? I could set FiddlerCore as the system-wide proxy, but I don't want to capture all traffic, but…
Zeller33
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