Ubuntu 10.04 LTS
mysql Ver 14.14 Distrib 5.1.41, for debian-linux-gnu (i486) using readline 6.1

[CODE] dpkg --get-selections | grep [m]ysql*
libdbd-mysql-perl install
libmysqlclient16 install
mysql-client install
mysql-client-5.1 install
mysql-client-core-5.1 install
mysql-common install
mysql-server install
mysql-server-5.1 install
mysql-server-core-5.1 install
php5-mysql install
[/CODE]

I could not connect using the root account and a bad password out of 51,152 attempts using a php script.