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I have installed many FTP Servers on a Windows machine and set ngrok for FTP tunneling.

C:\path\to\ngrok> ngrok tcp 21

Using linux, i am able to establish an FTP connection and browse the directories ONLY with the installed ftp client.

$ ftp 
ftp> open 0.tcp.ngrok.io port_here

The problem is that FileZilla, Classic FTP File Transfer Software, Chrome & Firefox extensions, failed.

FileZilla output: 

Command:    LIST
Response:   150 Opening ASCII mode data connection
Error:  Connection timed out after 20 seconds of inactivity
Error:  Failed to retrieve directory listing

I wonder why i can't browse using FileZilla, but with the ftp Linux command works well.

Thank you.

Omar_0x80
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1 Answers1

2

Problem solved in FileZilla via :

Edit > Settings > Connection > FTP > Passive mode, and select "Fall back to active mode" and Bingo !

The same technique can be applied to the other FTP clients.

Omar_0x80
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