#!/bin/bash
cp /etc/ssh/sshd_config /etc/ssh/sshd_config.orig
grep "PasswordAuthentication yes" /etc/ssh/sshd_config
grep "PasswordAuthentication yes" /etc/ssh/sshd_config | sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ss>
 
grep "PermitRootLogin prohibit-password" /etc/ssh/sshd_config
grep "PermitRootLogin prohibit-password" /etc/ssh/sshd_config | sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin no/g' />
 
grep "PermitEmptyPasswords no" /etc/ssh/sshd_config
grep "PermitEmptyPasswords no" /etc/ssh/sshd_config | sed -i 's/#PermitEmptyPasswords no/PermitEmptyPasswords no/g' /etc/ssh/sshd_c>
 
grep "KerberosAuthentication no" /etc/ssh/sshd_config
grep "KerberosAuthentication no" /etc/ssh/sshd_config | sed -i 's/#KerberosAuthentication no/KerberosAuthentication no/g' /etc/ssh/>
 
grep "GSSAPIAuthentication no" /etc/ssh/sshd_config
grep "GSSAPIAuthentication no" /etc/ssh/sshd_config | sed -i 's/#GSSAPIAuthentication no/GSSAPIAuthentication no/g' /etc/ssh/sshd_c>
 
systemctl restart sshd.service