Update: In current versions of Fiddler, simply right-click the column headers and choose Customize Columns. In the dropdown, choose Session Timers and choose ClientBeginRequest in the dropdown list. The old way to do this is to use FiddlerScript. Click Rules > Customize Rules. Inside the class Handlers, add the following script code: public static BindUIColumn(“BeginRequestTime”, … Read more
Create a keystore containing the Fiddler certificate. Use this keystore as the truststore for the JVM along with the proxy settings. Here’s how to do that: Export Fiddler’s root certificate Tools -> Fiddler Options… -> HTTPS -> Export Root Certificate to Desktop Create a keystore with this certificate Open command line as administrator (keytool doesn’t … Read more
Go to Tools -> Internet options -> Connections -> LAN Settings, and then untick ‘use a proxy server’ for your LAN, and tick ‘automatically detect settings’.
Simple…You need to set a header value, with your request, like so: Cookie: YourCookieName=YourCookieValue
Ok, posting the answer that I put together from piecing it together from the following youtube video: Tampering Client Requests and Server Responses with Fiddler Start fiddler (I’m using Fiddler 4) You will notice that it intercepts all traffic through all browsers and other applications Set a filter – this will enable you to view … Read more
Fiddler will not intercept curl traffic by default. You’ll need to specify the -x proxy option. If curl displays an SSL error message, additionally use the -k option to disable SSL validation. curl -x 127.0.0.1:8888 -k www.example.com
In fact, Fiddler Classic does not need to be installed: Download Fiddler Classic setup (ie. FiddlerSetup.exe) Open it with your Archive Manager (ie. 7-Zip) Open $PLUGINSDIR folder Open the contained FiddlerSetup.exe (yes again) in your Archive Manager Extract the files in a folder Run Fiddler.exe For Fiddler Everywhere, it is almost the same Download Fiddler … Read more
Try Chrome’s developer tools, click ‘Network’ tab use the filters at the bottom to show only WebSocket connections), select the desired websocket connection, note that there are ‘Headers’, ‘Preview’, ‘Response’, etc. sub-tabs to the right, once data starts flowing a ‘WebSocket Frames’ subtab will appear. All data going in either direction is logged. Very informative.
Fiddler has a tool that does the Base64 for you. Just create your string: username:password and then go to Tools -> TextWizard and enter the username password combo and choose ToBase64. Copy and paste that into your Authorization header and you should be good to go.
I had the same problem, but it turned out to be a chrome extension called hola (or Proxy SwitchySharp), that messed with the proxy settings. Removing Hola fixed the problem