Remove CF-Connecting-IP for requests to the edge preview (#7712)

* Remove CF-Connecting-IP for requests to the edge preview * Create honest-pillows-tease.md
cloudflare · Jan 9, 2025 · 6439347 · 6439347
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diff --git a/.changeset/honest-pillows-tease.md b/.changeset/honest-pillows-tease.md
@@ -0,0 +1,5 @@
+---
+"wrangler": patch
+---
+
+Remove CF-Connecting-IP for requests to the edge preview
diff --git a/packages/wrangler/src/api/startDevWorker/RemoteRuntimeController.ts b/packages/wrangler/src/api/startDevWorker/RemoteRuntimeController.ts
@@ -267,6 +267,9 @@ export class RemoteRuntimeController extends RuntimeController {
 						...(accessToken
 							? { Cookie: `CF_Authorization=${accessToken}` }
 							: {}),
+						// Make sure we don't pass on CF-Connecting-IP to the remote edgeworker instance
+						// Without this line, remote previews will fail with `DNS points to prohibited IP`
+						"cf-connecting-ip": "",
 					},
 					liveReload: config.dev.liveReload,
 					proxyLogsToController: true,