<html><head><style type="text/css"></style></head><body><div style="font-family:verdana,helvetica,sans-serif;font-size:10pt"><div>What do you mean by "solution"? Do you want to stop people from logging in when they have the correct password?<br><br>You should make your passwords strong enough so that people cannot (easily) guess/hack them.<br>Don't allow people to log in as root remotely.<br>You can limit where people can log in from by using iptables.<br><br>Tom<br></div></div></body></html>