FTP Router and XP Firewall problem

  croydon 10:03 22 Dec 2005
Locked

My company have clients that transmit data to us by FTP.

For the vast majority there is no problem, but in some cases the data is not transmitted. We have tracked this down to the fact that these clients use ADSL and a router.

We have tested their system using XP Remote Desktop and the FTP starts then eventually times-out. Our server shows the file but with zero bytes received.

There are two other points. A small file can be FTPed without a problem. A larger file of 5MB will not transmit. When we disable the XP Firewall the 5MB will be transferred immediately.

As this does not happen with all clients with routers, we can only assume that there is some setting within XP or the XP Firewall that is causing the problem.

The FTP is run from within a Visual Basic program.

Any suggestions would be appreciated.

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