Using passwords sucks big time. To prevent against a scripted password-guessing bot, just disable password login on your N900 and only use keys. edit (as root) /etc/ssh/sshd_config: Code: PasswordAuthentication no UsePAM no To use key based authentication: http://www.google.com/search?q=ssh+login+no+password edit: woowoo post 1,000!
PasswordAuthentication no UsePAM no