Nginx Block Bad Bots, Spam Referrer Blocker, Vulnerability Scanners, User-Agents, Malware, Adware, Ransomware, Malicious Sites, with anti-DDOS, Wordpress Theme Detector Blocking and Fail2Ban Jail for Repeat Offenders
Why do you think that https://github.com/mitchellkrogza/nginx-ultimate-bad-bot-blo is a good alternative to nginx-ultimate-bad-bot-blocker