asp限制域名访问实现代码

<% 
myIp = ",127.0.0.1,localhost,www.jb51.net,"
myurl= request.ServerVariables("SERVER_NAME")
Response.write myurl
if InStr(myIp,","&myurl&",")>0 then
Response.write "域名合法"
else
Response.write "域名不合法"
end if
%>

myIp = Array("127.0.0.1","jb51")
myHou = new Array("",".com")
myDirect ="//www.jb51.net/"
ip= request.ServerVariables("HTTP_HOST")
j=0
for i=0 to ubound(myIp)
'Response.Write(i&"--"&myIp(i)&"<br>")
if InStr(ip,myIp(i)&myHou(i))>0 then
'Response.Write(myIp(i)&"==")
j=j+1
end if
next
if j<1 then
response.Redirect(myDirect)
end if