This method leads the way for an effective DOS - if I want to prevent you from logging in, I just write a script that repeatedly tries to log in as you, with a wrong password. You won't be able to ever get at your account again.
You need to block at least only a certain IP address, then only AOL users can block AOL users ...
perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ; # The
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' # web