<%

'IP屏蔽代码：

'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:///';</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

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