binhqd/Prevent brute force attack.md

## Prevent brute force attack.md

      
    Raw
  

              Prevent brute force attack.md
            
          
    Setup CSF

https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-config-server-firewall-csf-on-ubuntu
Mitigating SSH Brute Force attack

https://securitytrails.com/blog/mitigating-ssh-based-attacks-top-15-best-security-practices
Disable null password

https://www.cyberciti.biz/tips/linux-or-unix-disable-null-passwords.html