In the 1.40 latest release there are a couple of features that did not show up on my installation. Is there something you need to install as a prerequisite in order for the options to show up in the Brute force monitor area?
Add Block IP button to IP/User tables for faster blocking (SKINS)
http://www.directadmin.com/features.php?id=1250
IP ranges and reverse IPs in brute_skip.list (SKINS)
http://www.directadmin.com/features.php?id=1252
Add Block IP button to IP/User tables for faster blocking (SKINS)
http://www.directadmin.com/features.php?id=1250
IP ranges and reverse IPs in brute_skip.list (SKINS)
http://www.directadmin.com/features.php?id=1252