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spacetime_cmplx | 2 years ago

That's concerning. Could you elaborate on how you identified the traffic as cloudflare workers? Also, what sorts of HTTP attacks? wp-admin probes? Plain DDoS?

Cloudflare has (had?) a murky history with not taking down DDoS for hire services ironically hosted behind cloudflare. But while you could argue they had an incentive to do that (sell protection), I can't think of any incentive to let Workers be abused.

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capableweb|2 years ago

> Could you elaborate on how you identified the traffic as cloudflare workers?

Trivial based on the fact that HTTP requests coming from CloudFlare Workers has a cf-worker header. Also, any traffic coming from cloudflare-owned IP blocks clearly belongs to cloudflare and can be safely blocked.

InvaderFizz|2 years ago

On the second point, with the introduction of Cloudflare WARP VPN, that's not quite true. Additionally, I believe Safari Private Relay may end up looking like it originates from CF as well.

KomoD|2 years ago

> and can be safely blocked.

Well no, not if you yourself are also using Cloudflare