thanks for these options, but how to make this changes like Change SSH Port
UploadMax Reviewed by UploadMax on . Options for protecting SSH on Dedicated Servers Filter by IP - We can set up a firewall to filter SSH access to the SSH port by IP. Change SSH Port - This doesn't prevent access, it just changes the port of access. Use /etc/hosts.deny and /etc/hosts.allow - Utilize application/system level access settings for access to system services. Use SSH RSA Keys - Disable password/keyboard-interactive authentication and only allow key access. We can enable 1 or all options at any time. Rating: 5