You can use an external proxy service, such as Deflect or Cloudflare with your May First web site. These services stand between the viewers of your web site and your actual May First site, enabling them to protect you against malicious traffic.
With Deflect, you can indicate the IP address of your Origin web server. Please email support to find out which IP address you should use. You will need to pay attention to May First announcements about any need to change this IP address.
In Cloudflare, navigate to the DNS settings.
Then, add CNAME records for both your root domain and your www subdomain that point to a.webproxy.mayfirst.org
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