sdayman
October 24, 2020, 12:56am
2
A 521 error happens when Cloudflare is unable to make a TCP connection to your origin server. Review the suggestions in this Community Tip for Quick Fix Ideas.
Get started · Cloudflare DDoS Protection docs
Related content:
Archive This tutorial covers some of the steps you can try to take to protect yourself from a DDoS attack. There is a <a href="https://support.cloudflare.com/hc/en-us/articles/200170196-I-am-under-DDoS-attack-what-do-I-do-">Cloudflare Support Article</a> on this as well.
Sign up for Cloudflare - Cloudflare can provide a lot of helpful tools to help you overcome a DDoS…