Table.phpbb login attempts

Fields
{|border="1" cellspacing="0" cellpadding="5" ! column ! type (MySQL) ! content ! default
 * attempt_ip
 * varchar(40)
 * tbd
 * attempt_browser
 * varchar(150)
 * tbd
 * attempt_forwarded_for
 * varchar(255)
 * tbd
 * attempt_time
 * int(11)
 * tbd
 * 0
 * user_id
 * mediumint(8)
 * tbd
 * 0
 * username
 * varchar(255)
 * tbd
 * 0
 * username_clean
 * varchar(255)
 * tbd
 * 0
 * username
 * varchar(255)
 * tbd
 * 0
 * username_clean
 * varchar(255)
 * tbd
 * 0
 * tbd
 * 0