[DUG] Delphi ftp server component

Leigh Wanstead leighw at softtech.co.nz
Mon Apr 28 11:36:45 NZST 2008


On one particular customer site, I can run filezilla ftp server without any
trouble. Everything is fine. But while I am using the application developed
against Indy.9.0.18, the ftp server only allows following action.

1 login <-- fine
2 download a file <-- fine
3 download another file <--- hang forever

I used ethereal( http://www.ethereal.com/ ) to monitor the ftp transaction,
and found ftp server which I wrote returns ftp code 426 which I did a google
search and here are some urls.

http://www.smartftp.com/support/kb/error-426-connection-closed-transfer-abor
ted-f66.html

http://www.outsidethecode.com/faq/ftp_426.aspx
http://support.ipswitch.com/kb/WS-20001227-DM02.htm
http://www.ftpplanet.com/ubb/Forum1/HTML/001798.html

It seems all mentioned about passive/active mode and anti-virus checking.
But I switched my ftp client which also using indy ftp client component to
use passive/active mode and no effect. I have tried to turn off anti-virus
nod32 on client/server. It seems no effect. But the odd thing is filezilla
server is working fine. I simply can not understand where to look at except
replacing with another ftp server component. I am trying indy 10 now to see
if the bug goes away.

Regards
Leigh


-----Original Message-----
From: delphi-bounces at delphi.org.nz
[mailto:delphi-bounces at delphi.org.nz]On Behalf Of Todd Martin
Sent: Monday, April 28, 2008 11:20 AM
To: NZ Borland Developers Group - Delphi List
Subject: Re: [DUG] Delphi ftp server component


Ok. I have to ask. What is wrong with the Indy ftp server?

Todd.
> Good morning,
>
> Can anyone recommend a open source/free Delphi ftp server component except
> Indy?
>
> TIA
>
> Have a nice day
>
> Regards
> Leigh
>
>
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