Fiddler – tunnelled http requests to port 443

You should start by reading this thread, which explains what a HTTP CONNECT Tunnel is: https://groups.google.com/forum/#!topic/httpfiddler/RCkzE3HhhxY Since you have enabled decryption, if you’re not seeing any HTTPS traffic in Fiddler, you either have a Filter enabled (click Help > Troubleshoot Filters) or you have not configured Windows to trust the Fiddler root certificate and hence … Read more

Chrome Doesn’t Trust Fiddler Root Certificate

I updated Fiddler and ran into a similar issue. This fixed it for me: http://textslashplain.com/2015/10/30/reset-fiddlers-https-certificates/ Fiddler 1.3.0+ (This is the new build and comes after 4.6.1.5+) Click Settings (the cog in the top right hand corner). Select the HTTPS tab from the left hand panel Click Trust root certificate Accept all prompts You may need … Read more

Wireshark vs Firebug vs Fiddler – pros and cons? [closed]

Wireshark, Firebug, Fiddler all do similar things – capture network traffic. Wireshark captures any kind of network packet. It can capture packet details below TCP/IP (HTTP is at the top). It does have filters to reduce the noise it captures. Firebug tracks each request the browser page makes and captures the associated headers and the … Read more

How to use Fiddler to monitor WCF service

You need to add this in your web.config <system.net> <defaultProxy> <proxy bypassonlocal=”False” usesystemdefault=”True” proxyaddress=”http://127.0.0.1:8888″ /> </defaultProxy> </system.net> then Start Fiddler on the WEBSERVER machine. Click Tools | Fiddler Options => Connections => adjust the port as 8888.(allow remote if you need that) Ok, then from file menu, capture the traffic. That’s all, but don’t forget … Read more