Fix brocken link on LFT card

Link in the sentence "Detailed information on how to configure firewalls when working with Aspera is given here." rise 404. The link is https://download.asperasoft.com/download/docs/p2p/3.5.1/p2p_admin_win/webhelp/dita/configuring_the_firewall.html

• find where the info has been moved
• change How-to card