On screen notice about http flood, 10 second penalty

What is this mean, sorry I do not understand.

Thank you.

This is our protection against "people" that want to "hack" our server !

If you try to download / upload two files at the same time, you il will get this message "http flood detected" !
If you click to fast, sometimes il will get this message again !

Understood, thank you for your fast reply. :-)