PasswordAuthentication

PasswordAuthentication directive in sshd_config, default is yes.

Match

Match User <username>
   PasswordAuthentication yes

PermitRootLogin

PermitRootLogin yes
PasswordAuthentication no
Match User root
   PasswordAuthentication yes

• sed -i 's/PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config && systemctl restart sshd

Related terms

• systemctl restart sshd
• ChallengeResponseAuthentication

See also

• /etc/ssh/sshd_config: AuthenticationMethods, PasswordAuthentication, PermitRootLogin, MaxStartups, sshd_config
• sshd, sshd logs, sshd -t, sshd -T, sshd_config, sftp