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Change Response from HTTP Request sent by a program

networking,http-headers,xmlhttprequest,fiddler,packet-sniffers
I have a program that activate an chip for racing results. (Its just a piece of hardware). I watch with Fiddler (Sniffing program) the in and outgoing traffic from my pc when I connect the chip with my computer. The program sends the following HTTP Request: POST http://example.com/index.php HTTP/1.1 Accept:...

Downloaded octet-stream then encoding as pdf; can't get line endings worked out

pdf,encoding,httpresponse,fiddler
Tools that I'm using for this: Chrome Notepad++ Sublime Text 3 Fiddler WinMerge Adobe Acrobat Reader X Synopsis I have downloaded a pdf twice, once through Chrome as an experimental control; once again through a raw /GET request via Fiddler which returns me an octet-stream. To this point, I can...

How to capture a server side web api call in fiddler?

c#,asp.net,iis,asp.net-web-api,fiddler
I have got the a service with the following topology. A (Web application) ---calls---> B (Local Web Api) ---calls---> C (Remote Web Api) I am trying to capture the traffic from B to C in Fiddler, but nothing is logged. B is a web site hosted locally on my dev...

What does this fiddler icon mean? [duplicate]

icons,fiddler
This question already has an answer here: Meaning of fiddler's icon of blue < > angle brackets 1 answer Can someone please tell me what this icon means in fiddler ? ...

Convert a request to string in FiddlerScript

fiddler,jscript.net
I'm using Fiddler4 (not sure if that is relevant). I'm trying to add a feature that lets me resend requests a certain number of times with a delay between each request. Everything seems to be fine but I can't seem to convert oSession.oRequest into a string, or in other words,...

Is it possible for a server to see whether a HTTPS connection is monitored by Fiddler?

https,certificate,server,fiddler
I'd like to know if it's possible for web services to detect HTTPS connections with "faked" root certificates created by Fiddler4 (Web debugging proxy) to prevent reverse engineering. Is there any method to check whether the encryption is done with the original certificate or with one made by Fiddler?...

why don't I see any network call in Chrome's DevTools (or any other tool such as Charles)

google-chrome-devtools,fiddler,charles
while yahoo finance updates stock price on an already open page such as http://finance.yahoo.com/q?s=AMRC Thanks in advance! Jack M...

Fiddler 2.5.1.0 is not exporting captured traffic to visual studio file

asp.net,api,web,fiddler
I'm using Fiddler 2.5.1.0 version to capture traffic to our asp.net web api restful services. when I just select part of the entire traffic (like a selected session) and go to File-> Export Sessions -> Selected Session, a little dialog box pops up with a drop down menu on it...

How to modify a request in Fiddler?

post,fiddler
I'm looking for a simple way to intercept a web request and modify the contents of the request (mainly POSTs) using Fiddler. This is to test server-side validation. I've been recommended to use Fiddler (in the past I have used Tamper Data plugin for Firefox but can't use it due...

Where Fiddler2 stored his temp files

c#,.net,fiddler
Hello i am trying to get all cookie from url, i am working with watIn and i use this code to get cookie string cookies = browserToRun.Eval("document.cookie"); CookieContainer Cc = GetCc(cookies, "www.test.com"); this give me 90% of all cookie,but in Fiddler2 i can see more cookie. Sow if there a...

HTTP 2.0 Over the Wire (Raw)

fiddler,wireshark,http2
Are there any tools to see what is coming through the wire (Raw request and response) for HTTP 2.0? I used Fiddler and saw only HTTP 1.1 data. I enabled HTTP 2.0 / SPDY in Chrome and visited https://http2.akamai.com to see the request and response....

how to send traffic from mitmproxy to another proxy server

proxy,fiddler,mitmproxy
I have a need to redirect mitmproxy to another proxy server. Let say an example. Browser -> mitmproxy -> fiddler Browser proxy was set to 8089 mitmproxy is running on 8089 fiddler listening on 8090 now how can i do proxy forward mitmproxy using -F i tried mitmproxy -p 8089...

How to stop Fiddler displaying 407 and Tunnel To

fiddler
How can I stop Fiddler displaying the "407" and "Tunnel To" which look to be generated twice before each successful "200" GET http://i.stack.imgur.com/G1dzB.png 407 Proxy Authentication Required ( Access is denied. ) (text/html) GET http://i.stack.imgur.com/G1dzB.png 407 Proxy Authentication Required ( Access is denied. ) (text/html) GET http://i.stack.imgur.com/G1dzB.png 200 OK (image/png)...

fiddler composer authenticating a request

http,authentication,fiddler
this might seem silly, but here is my issue. If I make a call to this authenticate url like this: Everything works fine, but I want to send the body as JSON. So I tried this: And this failed, with the error: { "status": false, "exception": "invalid_request", "error": "The request...

Fiddler to request HTTP requests with timing respected

fiddler,session-replay
Can HTTP request be replayed using Fiddler with caputered session timing respected? I tried to replay a session with fiddler but the replay sends requests to the maximum speed ignoring the time of capture. I tried to add this to onBeforeRequest() function: if (oSession.HostnameIs("example.com") && oSession.uriContains("page.html")) { // I tried...

Start and stop Fiddler from command line

fiddler,fiddlercore,fiddler-dev
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 ? I've explored Fiddler's command-line options, but...

How to capture python SSL(HTTPS) connection through fiddler2

python,ssl,https,python-requests,fiddler
I'm trying to capture python SSL(HTTPS) connections through Fiddler2 local proxy. But I only got an error. code import requests requests.get("https://www.python.org", proxies={"http": "http://127.0.0.1:8888", "https":"http:127.0.0.1:8888"},cert=r"FiddlerRoot.cer") The error requests.exceptions.SSLError: [Errno 1] _ssl.c:510: error:14090086:SSL routines: SSL3_GET_SERVER_CERTIFICATE:certificate verify failed Could anybody tell me how to fix the error except making verify False? I've already...

Simulating latency in a HTTP POST call on Linux

linux,http-post,fiddler,latency,simulate
Use Case I am working on an enterprise level payment application (written in JAVA). I am looking to simulate latency on a HTTP POST call that is made to a bank. This will allow me to simulate different latency/unavailability scenarios that may occur. The Code The following piece of code...

Using fiddler to capture html when no proxy support in browser

html,webview,proxy,fiddler,chromium
I'm using the webview tag in chromium and I want to capture the html requests. Unfortunately webview does not support proxies. Is there any way I can just do a normal http request to fiddler at localhost:8888 and somehow put the real destination in the URL? Maybe something like http://localhost:8888?url=google.com?

HTTP Proxy Setup For Java JVM

java,proxy,jvm,fiddler,intellij-14
Setting up an HTTP proxy for Java JVM 6.x isn't working for me; I'm hoping someone can spot what I'm missing. I have a Java application deployed on JBOSS 5.1.2 that makes several calls to external web services. I'd like to be able to intercept these calls using a proxy:...

Java settings for Fiddler examination of outgoing SOAP requests?

java,web-services,tomcat,soap,fiddler
I am trying to debug my SOAP requests going to a third party web service. My client side code (the code running on my local machine) was generated using wsimport. I am trying to configure Fiddler to intercept my outgoing SOAP requests but have had no luck. Here is what...

Listen to a specific application using C# and FiddlerCore

c#,webbrowser-control,fiddler,fiddlercore
I'am trying to integrate C# Web Browser control and Fiddler Core. I wan't to do this by letting Fiddler Core to listen to the Web Browser control without affecting any internet explorer or other internet browsers. The diagram below should show what I want to achieve: Internet Explorer -> Internet...

Using Fiddler for the websites protected by Forms Authentication method

asp.net,asp.net-mvc,fiddler
I am going to use Fiddler for a website protected by Forms Authentication. Despite the fact, I have already logged in in IE & Chrome but still the result is a redirection to the login page when I use Fiddler Composer to send the requests. By the way I have...

Running Fiddler as HTTP to HTTPS reverse proxy

ssl,https,proxy,fiddler
I have a service running on my machine. This service is published on HTTPS and starting it on HTTP seems a bit complicated. A certain remote machine perform calls to my machine on HTTP (and this is not under my control). I want to perform some non-performance-critical tests with my...

Updated Method signature is not working in wcf RESTful services

wcf,rest,methods,overloading,fiddler
I have a method like this [WebInvoke(UriTemplate = "StrDetails", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json)] public List<StrSearchDetails> StrDetails(string str1) { List<StrSearchDetails> details = new List<StrSearchDetails> (); return details; } I am able to hit this method from Fiddler I have updated and replaced like this [WebInvoke(UriTemplate = "StrDetails", ResponseFormat =...

Invoke-RestMethod isn't passing headers

powershell,cookies,fiddler
Got a really bizarre problem with Invoke-RestMethod. I'm using it send a GET and include a cookie in the request: $getEndpoint = "http://YYYYYYYYYYYYYY/clients/XXXXXX/dev" $authheader = "auth_tkt=\""XXX""" Invoke-RestMethod -Headers @{"cookie" = "$authheader"} -Uri $getEndpoint If I look at the request in Fiddler then I see this: GET http://YYYYYYYYYYYYYY/clients/XXXXXX/dev HTTP/1.1 User-Agent: Mozilla/5.0...

Tracking post parameters

post,fiddler
I am traversing through pages in a website that is made in PHP.The pagination is like 1 to 400.If I move from page 1 to Page 2 , how do I track which parameters are passed.I guess it uses post and not get?Can I use fiddler for that?

Catching requests made in xampp with fiddler

php,soap,xampp,fiddler
I have a simple php file which makes SOAP requests. This is running on my local computer with XAMPP as a webserver. I am trying to catch the request made in fiddler, I can see the request to my php file but that just returns the html for the page....

Fiddler setting proxy settings despite process ended

proxy,fiddler
I have an interesting issue where upon closing fiddler, it still sets my proxy settings. This results in me not being able to access the internet unless I have fiddler open (Due to it reverting my proxy settings once I change them). Is this a global issue, and if so,...

Why I get SocketException when downloading a page if I don't open Fiddler?

c#,fiddler,socketexception
I'm experiencing a weird situation.I have a method that downloads a page like following: public static bool DownloadPageContent(string url, out string content, ref int statusCode, CookieContainer cookie = null, int maxAttempt = 1, Encoding encoding = null) { int i = 0; using (var client = new CookieAwareWebClient()) { if...

System.Net.Http.UnsupportedMediaTypeException exception occur in fiddler on running Web API post request in fiddler

asp.net-mvc,post,asp.net-web-api,web-api,fiddler
I am new in ASP.NET MVC web api. I am trying to run default web api project created by visual studio 2013. Also, I am using fiddler to test web api. In that default project a post method is created 'api/Account/Register'. When I try to run this in fiddler UnsupportedMediaTypeException...