A little lengthy for some of you but if you want to know more about DDoS this is a good read.
https://www.ovh.com/us/news/articles/a1844.zoom-protection-anti-ddos-game (https://www.ovh.com/us/news/articles/a1844.zoom-protection-anti-ddos-game)
I usually stay on with this:
https://blog.cloudflare.com/
Good reads too
I will check it out, thanks for the link