this post was submitted on 16 Aug 2025
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Explain Like I'm Five

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ELI 5, how can CloudFlare block traffick to sites? (kbin.earth)
submitted 1 month ago by Coopr8@kbin.earth to c/explainlikeimfive@lemmy.world
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Explain to me like I'm a 5 year old who just learned what an internet is how CloudFlare can block traffick to websites that dont sign up for their services?

News from the UK shows that CloudFlare is now blocking a bunch of domains associated with peer to peer file sharing, but I dont understand why these domains wouldn't just migrate away from CloudFlare services and that would fix the problem. Do the ISPs use CloudFlare to provide services between the user and the website hosts when the user requests a web page via the browser?

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[–] slazer2au@lemmy.world 10 points 1 month ago

When you access a website, say lemmy.world, your browser will say to cloudflare "I want to access lemmy.world"

Cloudflare may not host the website but do something like DDOS protection so all the traffic to that site goes through Cloudflare then back out Cloudflare to the correct web server.

If Cloudflare have been told to block the traffic by law or court order, all Cloudflare has to do is stop responding to people saying "I want to access lemmy.world"