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DanFlag for United States of America

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FTP problem to linux FTP server

I am running ubuntu 14, using the built in FTP server.
When I try to connect to it, it connects, but I get this error below

Status:      Connection established, waiting for welcome message...
Status:      Logged in
Status:      Retrieving directory listing...
Status:      Server sent passive reply with unroutable address. Using server address instead.
Command:      LIST
Error:      Connection timed out after 20 seconds of inactivity
Error:      Failed to retrieve directory listing

Yes, I know I can change the setting in filezilla to active mode and then it would work, but that does not solve my problem.  I have a computer running a script FTP'ing files to my linux box, and it stopped working.
The only thing I did yesterday is disable and enable the firewall on the linux box, and it almot seems since then, it stopped working.

I'm thinking the problem is on the linux box?
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netcmh
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Have you tried changing the time out seconds setting to 40 seconds
Edit>Settings>Connection>Timeout in seconds

If that doesn't help, then you may have to try changing the Encryption to “Only use plain FTP (insecure)” and Logon type to Normal.
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ASKER

So where in linux do I change the timeout?  what are the exact commands as I'm not that familiar with linux, just now diving into it.

I am using plain FTP, I'm not using secure or encryption with the FTP.
The changes are in FileZilla.
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ASKER

but I don't need to make changes to file zilla.
You see, I have an FTP client on the verizon network, and it's trying to FTP to my FTP server that is on a linux box.

My test computer is filezilla, which fails, so that's telling me I have a problem with the FTP client getting into the linux box.
If I just modify my test computer using filezilla, that just gets my filezilla to work, but not my FTP client on the verizon network.
So I think the problem is either with my linux ftp server or my hardware firewall.
You disabled and enabled the firewall when this started, right? Could it be that the firewall settings were not saved?

What is the firewall?
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ASKER

it's a ufw

I think they were saved

So how can I view everything in the firewall log and debug
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Alan
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Glad we could help narrow it down for you. Thanks for the grade. Good luck.
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ASKER

Thanks everyone for your input, really appreciated it.