I'm getting FTP error: '425 Can't build data connection', what does that mean?

Comprehensive FAQ system

If you are looking for answers then you've come to the right place. Our indepth FAQ system provides information on many web related subjects aswell as providing answers to common queries relating to domain names and web hosting.

I'm getting FTP error: '425 Can't build data connection', what does that mean?

You normally get this error if you are trying to upload from behind a firewall. If that is the case, you should set your FTP client to use Passive transfer mode.