<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>欢迎光临邮局</title>
</head>
<body>
正在登陆欢迎光临邮局<p>请稍候........................<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<%
select case request.servervariables("http_host"
case "mail.sina.cn" '11
Server.Transfer("/index.htm"
case "ftp.sina.cn" '12
Server.Transfer("/ftp.htm"
case "192.168.0.12" '21
Server.Transfer("/index.htm"
case "211.114.70.138" '22
Server.Transfer("/index.htm"
end select
%>
</p>
</body>
</html>
那个是域名转向。很容易做的,上面就是段ASP的代码