Index: commons/src/main/java/org/hippoecm/hst/util/HstRequestUtils.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- commons/src/main/java/org/hippoecm/hst/util/HstRequestUtils.java	(revision 54173)
+++ commons/src/main/java/org/hippoecm/hst/util/HstRequestUtils.java	(revision )
@@ -297,7 +297,7 @@
         String [] schemes = getCommaSeparatedMultipleHeaderValues(request, "X-Forwarded-Proto");
 
         if (schemes != null && schemes.length != 0) {
-            return schemes[0];
+            return schemes[0].toLowerCase();
         }
 
         schemes = getCommaSeparatedMultipleHeaderValues(request, "X-Forwarded-Scheme");
Index: commons/src/test/java/org/hippoecm/hst/util/TestHstRequestUtils.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- commons/src/test/java/org/hippoecm/hst/util/TestHstRequestUtils.java	(revision 54173)
+++ commons/src/test/java/org/hippoecm/hst/util/TestHstRequestUtils.java	(revision )
@@ -137,4 +137,13 @@
         assertEquals("https", HstRequestUtils.getFarthestRequestScheme(request));
     }
 
+    @Test
+    public void testXForwardedProtoInCapitals() throws Exception {
+        HttpServletRequest request = createNiceMock(HttpServletRequest.class);
+        expect(request.getHeader("X-Forwarded-Proto")).andReturn("HTTP").anyTimes();
+        replay(request);
+        String farthestRequestScheme = HstRequestUtils.getFarthestRequestScheme(request);
+        assertEquals("http",farthestRequestScheme);
+    }
+
 }