<%
'IP屏蔽代码：www.goudiannao.com

'受屏蔽IP地址(段)集合,星号为通配符，通常保存于配置文件中。
Const BadIPGroup = "123.123.*.*|118.73.47.*"
If IsForbidIP(BadIPGroup) = True Then
'Response.Write(GetIP &"IP地址禁止访问")
Response.Write "<script>alert('["&GetIP&"]:这里不欢迎你，你去火星吧!');this.location.href='http://http://www.goudiannao.com//';</SCRIPT>"
Response.End
End If
'****************************************************************
'参数vBadIP：要屏蔽的IP段,IP地址集合，用|符号分隔多个IP地址(段)
'返回Bool：True用户IP在被屏蔽范围，False 反之
'****************************************************************
Function IsForbidIP(vBadIP)
Dim counter, arrIPPart, arrBadIP, arrBadIPPart, i,j
arrBadIP=split(vBadIP,"|")
arrIPPart = Split(GetIP(), ".")
For i = 0 To UBound(arrBadIP)
counter = 0
arrBadIPPart = Split(arrBadIP(i), ".")
For j = 0 To UBound(arrIPPart)
If(arrBadIPPart(j)) = "*" or Cstr(arrIPPart(j))=Cstr(arrBadIPPart(j)) Then
counter = counter + 1
End If
Next
If counter=4 Then
IsForbidIP=True
Exit Function
END IF
Next
IsForbidIP = False
End Function

'***************
'返回客户IP地址
'***************
Function GetIP()
dim ip
IP = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If IP = "" Then IP = Request.ServerVariables("REMOTE_ADDR")
GetIP = IP
End Function
%>