From 6de1c291638fb4e4cc84540ca028f91a7ddf65f8 Mon Sep 17 00:00:00 2001
From: Dave Clayton <davedx@gmail.com>
Date: Wed, 8 Dec 2021 11:20:32 +0100
Subject: [PATCH] Delete range header if client no longer using it

---
 lib/requestOptions.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/requestOptions.js b/lib/requestOptions.js
index 59b8af60..f470f079 100644
--- a/lib/requestOptions.js
+++ b/lib/requestOptions.js
@@ -54,6 +54,11 @@ function reqHeaders(req, options) {
 
   var headers = options.headers || {};
 
+  if (options.headers.range && !req.headers.range) {
+    // !494: previous request set range header, but subsequent requests that omit it should no longer set it
+    delete options.headers.range;
+  }
+
   var skipHdrs = [ 'connection', 'content-length' ];
   if (!options.preserveHostHdr) {
     skipHdrs.push('host');