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Windows 8 FTP problem

Posted on 2013-01-18
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Last Modified: 2013-01-18
I got a new laptop with Windows 8 and am having problem with FTP to our server.  I run ftp commands from a command prompt to transfer files from and to my laptop.  I can log in just find and the CD command works, but when I try to to a put, get or dir it just hangs.  I am thinking it is probably a security issue in Windows 8, but don't know where to look.  

Also I work remotely so I am connected with a VPN.  

Any ideas.  It still works fine on my XP computer.
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Question by:DCS12
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by:Thomas Grassi
ID: 38794113
open a command prompt and type

netstat -an >openports.txt

post file

firewall might be blocking port 21 on your computer
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by:giltjr
giltjr earned 250 total points
ID: 38794169
Would not be port 21.  Port 21 is the command/control port.  This port is used to logon to a FTP server and issue commands.

The data transfer port is what is most likely be blocked.  

The MS FTP client supports "active" FTP data transfers, which means the FTP server actually initiates a TCP connection to the client.  The client uses a random high port to listen on and tells the server which port it is using the "PORT" command.  The server then initiates the TCP connection from port 20 to the high port on the client.

Sounds like the firewall on your Windows 8 machine by default is not allowing active ftp.

You could get a free client, like filezilla, which uses passive ftp data transfers.  Passive ftp data transfers are considered firewall friendly as the client initiates the TCP connection to the server for the data transfer.
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by:DCS12
ID: 38794635
Yes it is a firewall issue.  What would I be looking for to allow this instead of turning off the firewall?
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NAS Cloud Backup Strategies

This article explains backup scenarios when using network storage. We review the so-called “3-2-1 strategy” and summarize the methods you can use to send NAS data to the cloud

 
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by:giltjr
ID: 38794671
This may help.
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by:DCS12
ID: 38794686
Don't see any link??
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Thomas Grassi earned 250 total points
ID: 38795372
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Featured Post

NAS Cloud Backup Strategies

This article explains backup scenarios when using network storage. We review the so-called “3-2-1 strategy” and summarize the methods you can use to send NAS data to the cloud

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