Question

Cannot use ls command in FTP from windows XP

Asked by: maskedweasel

For some strange reason I can no longer use the ls command when I'm connected via an FTP to our unix server.  If I connect via telnet, it works just fine.  When I connect via FTP I can change directories, pwd, (haven't tried FTPing) but as soon as I use the ls command it says:

200 PORT command successful    (then it sits there for a few minutes)
425  No data connection

and thats it.

I thought maybe I got disconnected but thats not the case.

I also tried it from Core FTP, which is the program I usually use to connect.  It won't connect at all ( probably because it uses the ls command to display the directories ).    This is only happening on my machine... which is the worst part of it all because I have many FTP programs automated on my PC (none of which use the ls command but if this isn't working, I wonder what else isn't working).

All help will be greatly appreciated, this one is puzzling to me.

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Asked On
2009-09-29 at 10:13:22ID24770820
Tags

Unix

,

windows XP

,

FTP

,

core FTP

,

ls

Topics

Windows XP Operating System

,

File Transfer Protocol (FTP)

,

FTP Software

Participating Experts
3
Points
500
Comments
5

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Answers

 

by: ravenplPosted on 2009-09-29 at 10:35:58ID: 25451330

Thats most probably firewall problem, either the one on Your or server's side.
Use ftp passive mode, and try again.

 

by: ram_keralaPosted on 2009-09-29 at 10:44:34ID: 25451416

425 Can't open data connection error
While using SmartFTP with a firewall the user keeps on getting a 425 Can't open data connection error.
Cause
The 425 error means that the data channel is blocked or closed between you and the server you are trying to connect to.
Solution
* For Active connections open ports 20 and 21
* For Passive connections open ports 21 and 1024+ (and higher)

If a successful connection cannot be established, check all devices that are between the client and server to ensure that the proper ports are open (e.g. routers).


Ref:http://www.computing.net/answers/networking/my-ftp-server-doesnt-work-please-help/37992.html
Did u tried with CuteFTP?

 

by: maskedweaselPosted on 2009-09-30 at 10:45:41ID: 25461365

reboot cleared the issue, but there were some other problems I did notice... when I went to check the firewall settings the firewall was disabled and I couldn't get it to enable. (the firewall was open correctly previously, and when I experienced the problem it would connect via FTP and let me transfer, create directories, and everything, just gave me the error on the ls command)

I booted up into safemode and was able to use the LS command no problem in FTP.  So I rebooted into normal mode and it let me as well... the firewall was back to normal and everything was running fine.  No idea what caused the problem.  Thanks for the responses!

 

by: arober11Posted on 2009-10-01 at 07:25:44ID: 25468971

Try pasive mode: Type PASV one the comand line, once connected , or select passive mode in you FTP session option, depends on which client your using.

If your not using pasive mode FTP requires two ports to be open 20 and 21, one for data and the other for control (commands).

20120131-EE-VQP-002

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