You can install fail2ban with the command:
yum install fail2ban
Please note: That cPHulkd, also achieves similar results. If you notice an IP whitelisted in fail2ban, but still having issues, you should also check cPHulk. More information regarding cPHuld in the link below.
https://docs.cpanel.net/whm/security-center/cphulk-brute-force-protection/