ftplib limitations?

[Lawrence D'Oliveiro]

In message <4C74E604.6090208 at sschwarzer.net>, Stefan Schwarzer wrote:

> Now it may be that the data connection, after having started
> the transfer, works as it should, but the control connection
> times out because the duration of the transfer is too long.

It might not be the fault of the FTP server. If you’re going through a 
router doing NAT, that could be where the timeout is happening.