2 files changed, 8 insertions, 8 deletions
diff --git a/devtools/client/shared/AppCacheUtils.jsm b/devtools/client/shared/AppCacheUtils.jsm
index a2beca993c..9fd4d0541e 100644
--- a/devtools/client/shared/AppCacheUtils.jsm
+++ b/devtools/client/shared/AppCacheUtils.jsm
@@ -86,7 +86,7 @@ AppCacheUtils.prototype = {
   _parseManifest: function ACU__parseManifest(uriInfo) {
     let deferred = defer();
     let manifestName = uriInfo.name;
-    let manifestLastModified = new Date(uriInfo.responseHeaders["Last-Modified"]);
+    let manifestLastModified = new Date(uriInfo.responseHeaders["last-modified"]);
 
     if (uriInfo.charset.toLowerCase() != "utf-8") {
       this._addError(0, "notUTF8", uriInfo.charset);
@@ -158,7 +158,7 @@ AppCacheUtils.prototype = {
           // Check that the resource was not modified after the manifest was last
           // modified. If it was then the manifest file should be refreshed.
           let resourceLastModified =
-            new Date(uriInfo.responseHeaders["Last-Modified"]);
+            new Date(uriInfo.responseHeaders["last-modified"]);
 
           if (manifestLastModified < resourceLastModified) {
             this._addError(parsedUri.line, "fileChangedButNotManifest",
@@ -230,12 +230,12 @@ AppCacheUtils.prototype = {
 
           result.requestHeaders = {};
           request.visitRequestHeaders(function (header, value) {
-            result.requestHeaders[header] = value;
+            result.responseHeaders[header.toLowerCase()] = value;
           });
 
           result.responseHeaders = {};
           request.visitResponseHeaders(function (header, value) {
-            result.responseHeaders[header] = value;
+            result.responseHeaders[header.toLowerCase()] = value;
           });
 
           deferred.resolve(result);
diff --git a/devtools/client/shared/curl.js b/devtools/client/shared/curl.js
index 420fe6aa5c..6d33ad9717 100644
--- a/devtools/client/shared/curl.js
+++ b/devtools/client/shared/curl.js
@@ -81,14 +81,14 @@ const Curl = {
       postDataText = data.postDataText;
       postData.push("--data");
       postData.push(escapeString(utils.writePostDataTextParams(postDataText)));
-      ignoredHeaders.add("Content-Length");
+      ignoredHeaders.add("content-length");
     } else if (multipartRequest) {
       postDataText = data.postDataText;
       postData.push("--data-binary");
       let boundary = utils.getMultipartBoundary(data);
       let text = utils.removeBinaryDataFromMultipartText(postDataText, boundary);
       postData.push(escapeString(text));
-      ignoredHeaders.add("Content-Length");
+      ignoredHeaders.add("content-length");
     }
 
     // Add method.
@@ -125,11 +125,11 @@ const Curl = {
     }
     for (let i = 0; i < headers.length; i++) {
       let header = headers[i];
-      if (header.name === "Accept-Encoding") {
+      if (header.name.toLowerCase() === "accept-encoding") {
         command.push("--compressed");
         continue;
       }
-      if (ignoredHeaders.has(header.name)) {
+      if (ignoredHeaders.has(header.name.toLowerCase())) {
         continue;
       }
       command.push("-H");