how to password protect:
you click on encrypt added files.
a password dialog box will pop up.
use the password "printroot." add "printroot" again (without quotes).
your file is now password protected. now go to an online uploading site like
ge.tt and upload the file, save the link and then post the font with the "hidden link" on printroot/resources.
how to determine how many posts sees the font link
Follow these instructions:
Post New Thread --> Hide tag button click --> Pop-up window ---> enter the number 5
looks like this:
delete stars and you have it.
(these instructions are thanks to estherK)