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Cross-zone Workers subrequests to Cloudflare-proxied BYOIP hostnames now set `CF-Connecting-IP` to `2a06:98c0:3600::103` instead of the original client IP. Any security rule or application logic on the destination zone that reads `CF-Connecting-IP` to allow/block specific IPs for cross-zone subrequest traffic must be updated. Our best guess
Claim history
  1. Revision 1 · · Our best guess

    Cross-zone Workers subrequests to Cloudflare-proxied BYOIP hostnames now set `CF-Connecting-IP` to `2a06:98c0:3600::103` instead of the original client IP. Any security rule or application logic on the destination zone that reads `CF-Connecting-IP` to allow/block specific IPs for cross-zone subrequest traffic must be updated.

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