diff --git a/packages/fcl-web/src/base/httpdefs.pp b/packages/fcl-web/src/base/httpdefs.pp
index b5d700b13e..1ff07a1d37 100644
--- a/packages/fcl-web/src/base/httpdefs.pp
+++ b/packages/fcl-web/src/base/httpdefs.pp
@@ -59,8 +59,13 @@ const
   fieldSetCookie       = 'Set-Cookie';
   fieldUserAgent       = 'User-Agent';
   fieldWWWAuthenticate = 'WWW-Authenticate';
+  // These cannot be added to the NoHTTPFields constant
+  // They are in the extra array.
+  fieldHost            = 'Host';
+  fieldCacheControl    = 'Cache-Control';
+  fieldXRequestedWith  = 'X-Requested-With';
 
-  NoHTTPFields = 24;
+  NoHTTPFields    = 27;
 
   HTTPDateFmt     = '"%s", dd "%s" yyyy hh:mm:ss'; // For use in FormatDateTime
   SCookieExpire   = ' "Expires="'+HTTPDateFmt+' "GMT"';
@@ -79,9 +84,12 @@ const
 
 
 Type
-  THttpFields = Array[1..NoHTTPFields] of string;
+  THttpFields  = Array[1..NoHTTPFields] of string;
+  THttpIndexes = Array[1..NoHTTPFields] of integer;
+
 
 Const
+  // For this constant, the header names corresponds to the property index used in THTTPHeader.
   HTTPFieldNames : THttpFields
              = (fieldAccept, fieldAcceptCharset, fieldAcceptEncoding, 
                 fieldAcceptLanguage, fieldAuthorization, fieldConnection,
@@ -89,8 +97,20 @@ Const
                 fieldContentType, fieldCookie, fieldDate, fieldExpires, 
                 fieldFrom, fieldIfModifiedSince, fieldLastModified, fieldLocation,
                 fieldPragma, fieldReferer, fieldRetryAfter, fieldServer, 
-                fieldSetCookie, fieldUserAgent, fieldWWWAuthenticate);
-                
+                fieldSetCookie, fieldUserAgent, fieldWWWAuthenticate,
+                fieldHost, fieldCacheControl,fieldXRequestedWith);
+  // Map header names on indexes in property getter/setter. 0 means not mapped !
+  HTTPFieldIndexes : THTTPIndexes
+                   =  (1,2,3,
+                       4,5,6,
+                       7,8,9,
+                       10,11,12,13,
+                       14,15,16,17,
+                       18,19,20,21,
+                       22,23,24,
+                       34,0,36);
+
+
 
 type
   TRequest = Class;
@@ -242,7 +262,6 @@ type
     function GetSetFieldName(AIndex: Integer): String;
     procedure SetCookieFields(const AValue: TStrings);
     Function GetFieldCount : Integer;
-    Function GetFieldName(Index : Integer) : String;
     Function GetContentLength : Integer;
     Procedure SetContentLength(Value : Integer);
     Function GetFieldIndex(AIndex : Integer) : Integer;
@@ -331,6 +350,8 @@ type
     FHandleGetOnPost: Boolean;
     FOnUnknownEncoding: TOnUnknownEncodingEvent;
     FPathInfo,
+    FHost : string;
+    FRequestedWith : String;
     FURI: String;
     FFiles : TUploadedFiles;
     FReturnedPathInfo : String;
@@ -382,6 +403,7 @@ type
 
   TResponse = class(THttpHeader)
   private
+    FCacheControl: String;
     FContents: TStrings;
     FContentStream : TStream;
     FCode: Integer;
@@ -415,6 +437,7 @@ type
     Property Request : TRequest Read FRequest;
     Property Code: Integer Read FCode Write FCode;
     Property CodeText: String Read FCodeText Write FCodeText;
+    Property CacheControl : String Read FCacheControl Write FCacheControl;
     Property FirstHeaderLine : String Read GetFirstHeaderLine Write SetFirstHeaderLine;
     Property ContentStream : TStream Read FContentStream Write SetContentStream;
     Property Content : String Read GetContent Write SetContent;
@@ -519,6 +542,8 @@ begin
   Result:=NoHTTPFields;
   While (Result>0) and (UpperCase(HTTPFieldNames[Result])<>Name) do
     Dec(Result);
+  If Result>0 then
+    Result:=HTTPFieldIndexes[Result];
 end;
 
 function HTTPDecode(const AStr: String): String;
@@ -835,17 +860,6 @@ begin
 end;
 
 
-function THttpHeader.GetFieldName(Index: Integer): String;
-
-Var
-  I : Integer;
-
-begin
-  I:=GetFieldIndex(Index);
-  If (I<>-1) then
-    Result := HTTPFieldNames[i];
-end;
-
 Function THttpHeader.GetFieldValue(Index : Integer) : String;
 
 begin
@@ -869,7 +883,7 @@ end;
 Procedure THttpHeader.SetFieldValue(Index : Integer; Value : String);
 
 begin
-  if (Index>1) and (Index<NoHTTPFields) then
+  if (Index>1) and (Index<=NoHTTPFields) then
     begin
     FFields[Index]:=Value;
     If (Index=11) then
@@ -941,7 +955,9 @@ var
 begin
   I:=GetFieldNameIndex(AName);
   If (I<>0) then
-    Result:=self.GetFieldValue(i);
+    Result:=self.GetFieldValue(i)
+  else
+    Result:='';
 end;
 
 Function THTTPHeader.LoadFromStream(Stream: TStream; IncludeCommand : Boolean) : Integer;
@@ -1308,6 +1324,8 @@ begin
     25 : Result:=FPathInfo;
     31 : Result:=FCommand;
     32 : Result:=FURI;
+    34 : Result:=FHost;
+    36 : Result:=FRequestedWith;
     35 : begin
          If Not FContentRead and AllowReadContent then
            begin
@@ -1328,6 +1346,8 @@ begin
     30 : FServerPort:=Value;
     31 : FCommand:=Value;
     32 : FURI:=Value;
+    34 : FHost:=Value;
+    36 : FRequestedWith:=Value;
   else
     inherited SetFieldValue(Index, Value);
   end