以下是引用片段:
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<% '受屏蔽IP地(dì)址(段)集合,星号為(wèi)通配符,通常保存于配置文件中。 Const BadIPGroup = "94.142.131.20|124.225.74.51|192.168.0.*|59.26.284.*"
If IsForbidIP(BadIPGroup) = True Then Response.Write(GetIP &"系統已記錄您的(de)IP地(dì)址信息") Response.Write("<BR>") Response.Write("由于您在本站發布大量垃圾信息!管理(lǐ)員已禁止您訪問站點。") Response.Write("<BR>") Response.Write("需要開通請聯系") Response.End() End If
'參數vBadIP:要屏蔽的(de)IP段,IP地(dì)址集合,用|符号分隔多個IP地(dì)址(段) '返回Bool:True用戶IP在被屏蔽範圍,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
''返回客戶IP地(dì)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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