Article 6K3HR [SOLVED] Protecting Nginx against DDoS attacks by Fail2Ban

[SOLVED] Protecting Nginx against DDoS attacks by Fail2Ban

by
Jason.nix
from LinuxQuestions.org on (#6K3HR)
Hello,
To protect Nginx against DDoS attacks by Fail2Ban I found the following tutorial:
https://easyengine.io/tutorials/nginx/fail2ban/

What does HOST mean in the following line? Should I enter the IP address of the host or the domain name of the website?
Code:failregex = limiting requests, excess:.* by zone.*client: <HOST>Thank you.
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