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FTP connection - Credentials Pop-up

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This is a migrated thread and some comments may be shown as answers.
Melih
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Melih asked on 31 May 2019, 05:39 AM

Hello there,

One of my clients can access a specific ftp site successfully but she can only access there from her laptop. According to the company (which gives this ftp service), she can access it from anywhere. 

For that, even if I am very new to Fiddler, I wanted to see what's going on behind the scenes. I enabled ftp connections to be captured via Fiddler.

The problem is that when I open Fiddler and try to open the ftp site, it simply writes "This FTP server requires login credentials". When I close the fiddler and try to open the ftp site again, it pops up the credentials screen (which I am currently failing). 

How can I let the credentials page to be popped-up so at least I can see what's going on?

Thank you

Melih

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Eric R | Senior Technical Support Engineer
Telerik team
answered on 07 Jun 2019, 01:42 PM
Hi Melih,

My sincerest apologies for the delayed response. Unfortunately, Fiddler doesn't have an authentication UI and the credentials would need to be included in the request.

The convention for passing username and password over ftp is below. I should caution that this method is insecure and Fiddler will only listen for ftp traffic. If you want to secure your file transfers you will need to use sftp or ftps which do not work with Fiddler at this time.


Username and Password Convention

ftp://[UserName]:[Password]@[HostName]


You can also use the composer in Fiddler to test this out. Below is output from my testing.

401 Request




200 Request




Please let me know if you have any additional questions.

Regards,

Eric R
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Melih
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Eric R | Senior Technical Support Engineer
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