block_ip.sh and iptables 2.2

Updated iptables to open ftp data ports 35000-35999 due to ip_conntrack_ftp's inability to see through encrypted port conversations on the control connection.
See file differences from 2.1 here

Changes

Added ftp data port range 35000-35999 to be open by default

Updating

Run step 1 from this guide, with version 2.2 set (only 'iptables' has changed):
http://help.directadmin.com/item.php?id=380&in1=2.2.