Disable password, SSH works (Ubuntu)

Hi, I have created a new user (non-root) with SSH key. I can login using SSH key though Pageant. But when i remove my key from Pageant, I am also able to login through my password.

I have done the following in /etc/ssh/sshd_config: PasswordAuthentication no UsePAM no

Sudo reload ssh

What other settings am i missing out to prevent successful password logins?! Thank you!

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ChallengeResponseAuthentication no
PasswordAuthentication no

sudo service ssh restart

I recommend reverting UsePAM to its original value and restarting ssh: <br><pre>sudo service ssh restart</pre> <br> <br>Then try logging in with your password.

set ChallengeResponseAuthentication no in /etc/ssh/sshd_config