This is what I use, although the page will have to go into the forum directory if this method is used...
<!--#include file="config.asp"-->
<!--#INCLUDE FILE="inc_sha256.asp"-->
<!--#include file="inc_header.asp"-->
<%
if strDBNTUserName = "" then
Response.Redirect("default.asp")
else
strUsername = Request.Cookies("Snitz00User")("Name")
%>
HTML GOES HERE
<%
End If
%>
<!--#include file="inc_footer.asp"-->