You can block third party Workers with a CF WAF rule. Here's an example: cf.worker.upstream_zone ne "" and not cf.worker.upstream_zone in {"aimoda.workers.dev"

You can block third party Workers with a CF WAF rule. Here's an example: cf.worker.upstream_zone ne "" and not cf.worker.upstream_zone in {"aimoda.workers.dev" "ai.moda"}