Total Commander FTP can't connect after network adapter reset

Question

Every time I install Oracle VirtualBox (that reinstalls its network adapter so the Internet connection gets disabled for a split second), my Total Commander looses the ability to connect via FTP. I initiate the FTP and it connects to the ftp server and when it tries to list the directories, it just stops and nothing happens. It hits the following line:

150 Opening data channel for directory list.

Downloading

What is preventing TC from showing the list?

Answer 1

If I change the connection to Passive mode, it works in these cases. I still don't know why it doesn't work in active mode.