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Fiddler Forum
1 answer
139 views

Hello everybody.

I need some extension to move post request to composer automatically if script name getdata.php (for example).

I searched  a lot of exctensions but could not find any wich works with composer.

Is it hard to create it using c#? 

Sergey
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 answered on 25 Aug 2016
3 answers
602 views
I'm testing a .net service (asp mvc iis) that makes Rest API calls in https.
I would like to
1. decrypt each request and response and copy both onto disk for later searching.
2. I don't want to disrupt traffic. I want this to be transparent to the .net service and rest api service provider

Is there an extension that does this? If not, can I get pointers on what I can do to get started.

I've just completed configuring the machine.config file so that fiddler can capture all outgoing rest api requests.
Tsviatko Yovtchev
Telerik team
 answered on 24 Aug 2016
1 answer
362 views

Is it possible to create autoresponder rules with multiple operators? For example:

REGEX:.*example FLAG:x-ProcessInfo=firefox

Jim
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 answered on 24 Aug 2016
1 answer
84 views

When I run fiddler on a website in development I get way to much capture, see the screen shot.

That just keeps going and going and going and never stops.  Is there a reason?

 

 

 

Tsviatko Yovtchev
Telerik team
 answered on 22 Aug 2016
3 answers
158 views

Hello,

I'm using Fiddler to diagnose an ASP.NET/Telerik AJAX Controls site. I'm not seeing any of the requests for WebResource.axd scripts (or any HTTP Handler requests). There must be some filtering going on, but I'm not sure what I need to do to change this. Please advise.

 

Thanks!

 

Mike Oliver

Tsviatko Yovtchev
Telerik team
 answered on 22 Aug 2016
1 answer
154 views
When I try to catch (capture) requests WellsFargo application on iOS and Android (with enabled https decrypt) application says that there is no internet connection. With disabled https decrypt it is all right. How to solve a problem?
Tsviatko Yovtchev
Telerik team
 answered on 22 Aug 2016
0 answers
229 views

Greetings,

I'm banging my head against a wall here and would like to see if anyone here can provide any insight.

I've added this to my web.config:

<system.net><br>   <defaultProxy enabled="true"><br>   <proxy proxyaddress="http://127.0.0.1:8888" bypassonlocal="False"/><br>   </defaultProxy><br></system.net>

I'm capturing non HTTPS traffic. Great.

All my HTTPS traffic comes through as "Tunnel To", yes, I have "Decrypt SSL" selected and the root certificate trusted.

I've put this into my protocols: <client>;ssl3;tls1.0;tls1.1;tls1.2

When I make a call, to get this error in the fiddler logs. "The client and server cannot communicate, because they do not possess a common algorithm for pipe".

This works outside of Fiddler, so Fiddler is having some sort of issue handshaking.

I ran a scan on the the first endpoint that errored out on in the logs (It can't handshake with any https endpoint):

 SSLv2      not offered (OK)
 SSLv3      not offered (OK)
 TLS 1      offered
 TLS 1.1    offered
 TLS 1.2    offered (OK)

I then did some research and added this to my script:

if (oSession.HTTPMethodIs("CONNECT") && oSession.HostnameIs("dev-wsv-OMITTED.OMITTED.ad"))<br>        { <br>            oSession["x-OverrideSslProtocols"] = "tls1.0";<br>        }

This had no impact.

So the $64,000 question is, why can't Fiddler handshake with any endpoints when the server can? Any advice or input would be great!

Thanks!

Bill
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 asked on 22 Aug 2016
1 answer
230 views

Hello guys,

I'm facing with decoding in Fiddler. As you can see on the picture, this request cannot be decoded and I don't know why. Anyone has an idea how to manage with that?

Tsviatko Yovtchev
Telerik team
 answered on 17 Aug 2016
2 answers
180 views
This morning I installed Fiddler 2 on my Vaio laptop, which has Windows 8.1 Professional installed on it. After installing it and running it for the first time I got a popup message (please see attached) that said that Windows 8.x uses something called "AppContainer" to restrict network traffic. I went to the help and it seemed to me that if I did click on the Win8Config button in Fiddler2, it would make the necessary changes, but it would also ask me which other apps I would want to open up for the same sort of network traffic. At this point I became hesitate. First, I don't completely understand the risks involved. Secondly, I do want to make it possible for Fiddler to access the network traffic it needs; I've found Fiddler to be very useful in trying to determine what's going on when things go wrong with my web applications. However I don't know which applications I would want to list in the exceptions list, and I don't know what impact it would have. I want the protection I need, but also be able to develop ASP.NET MVC and Web Forms apps, WPF, WCF and Web API, Windows Phone as well as Windows 8.x apps. I'd appreciate some direction on this, please.
Sebastian
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 answered on 16 Aug 2016
2 answers
64 views

Hey guys hope to get this problem resolved, been having it a while now. Ok im just not able to capture any https traffic when using firefox. Everytime i go to a https page i get a error when fiddler is capturing traffic.

I attached the screen shot of the error i get from firefox, also a screen shot of my https options inside of fiddler. Also im using firefox 48.0, and my fiddler version is this =>  Telerik Fiddler Web Debugger (v4.6.2.32002) Built: Tuesday, July 26, 2016

Hope to hear back from you guys thanks.

Louis
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 answered on 13 Aug 2016
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