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2 answers
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Hi,

Is Fiddler web debugger is free for a commercial environment?

Thanks,

Best regards

Mabakay
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 answered on 19 Sep 2018
2 answers
993 views

Hi all,

I'm not sure if I understand the possibilities on how to use Fiddler. From what I can read (and can see from my monitoring results) it monitors all web browser traffic. But what if I want to monitor the behaviour of a setup.exe file (or install.com). I want to check if it downloads any files, and if so, what files and from what URL.

Can that be done? Many thanks in advance.

John
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Rank 1
 answered on 18 Sep 2018
0 answers
79 views

Hello

I have a problem with fiddler when using proxifier to redirect traffic to fiddler 127.0.0.1 : 8888

actually, every https traffic with proxifier redirect causing this problem "SAN Certificate"

sam
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 asked on 16 Sep 2018
1 answer
296 views
I'm trying to replace a response, but it is aborted every time. The original response it is a 206 partial content, when I put it in autoresponder and select other file it gave a 200 ok and it is aborted by the client.
Louis
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 answered on 15 Sep 2018
0 answers
326 views

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Mizanur
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 asked on 15 Sep 2018
0 answers
400 views

I'm trying to sniff traffic from local network 127.0.0.1:9000 but software always fail to connect. Without fiddler running, it works again. How can i fix it?

Quoc
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Rank 1
 asked on 15 Sep 2018
0 answers
214 views
Hello,
I am new with Fiddler.  Please bear with my inexperience. :-)
My result panel is polluted with a Chrome extension 500 error. The URL is http://127.0.0.1:55296/ChromeExt/pabeoippfoppjkpbmbpjjjglbldlajfg.  Please find a screenshot attached.

Could you please tell me what my filter options would be?
I have tried:
* Filter rule: Request header > Hide if URL contains: "/ChromeExt/pabeoippfoppjkpbmbpjjjglbldlajfg"
* Script rule:
if ( oSession.url.Contains("/ChromeExt/pabeoippfoppjkpbmbpjjjglbldlajfg") ) 
        {   
            oSession["ui-hide"] = "yup"; // "The "yup" value is unimportant"
        }

What am I missing?

Thanks in advance for your help
Carl
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Rank 1
 asked on 15 Sep 2018
0 answers
348 views

I'm writing a PC application that communicates with an Http server. This server implementation is buggy and generates mal-formatted responses. It is something I have to deal with.
I'm trying to use Fiddler to see the content of the response, and to adapt my code in consequence. But when Fiddler detects a protocol violation, it makes changes to the response.

Here is a log from fiddler:

11:39:10:1884 Fiddler.Network.ProtocolViolation - [#1] Response does not start with HTTP. Data:
 
200 OK

And the corresponding response header generated by Fiddler:

HTTP/1.1 500 Fiddler - Bad Response
Date: Tue, 11 Sep 2018 09:39:10 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Cache-Control: no-cache, must-revalidate
Timestamp: 11:39:10.188

I cannot even see the original response, the only one visible in Fiddler in the 'Response' pane is the modified one.
I would like my application to receive the original (mal-formatted) response. Is there any way to configure Fiddler to forward the response exactly as it receives it?

Olivier
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Rank 1
 asked on 14 Sep 2018
0 answers
316 views
Hi,

The CustomRules.js file is located in the '~/Documents/Fiddler2/Scripts' folder, but I would like to change this. Is there a way to do this?

Thank you,

Alex
Alex
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Iron
Iron
 asked on 13 Sep 2018
0 answers
107 views
hi at all, can Fiddler decrypt packet that transmit client program windows that use certificate ?
Marco
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Rank 1
 asked on 13 Sep 2018
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