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用好ASP直接获取用户真实IP地址

发布时间:2023-08-26 14:51:41 所属栏目:Asp教程 来源:
导读:通用FUNCTION,如果不能取真实IP,就会取代理IP

  Private Function getIP()

  Dim strIPAddr

  If Request.ServerVariables("HTTP_X_FORWARDED_FOR") = "" OR InStr(Request.ServerVariables("HT
通用FUNCTION,如果不能取真实IP,就会取代理IP
 
  Private Function getIP()
 
  Dim strIPAddr
 
  If Request.ServerVariables("HTTP_X_FORWARDED_FOR") = "" OR InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), "unknown") > 0 Then
 
  strIPAddr = Request.ServerVariables("REMOTE_ADDR")
 
  ElseIf InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ",") > 0 Then
 
  strIPAddr = Mid(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), 1, InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ",")-1)
 
  ElseIf InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ";") > 0 Then
 
  strIPAddr = Mid(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), 1, InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ";")-1)
 
  Else
 
  strIPAddr = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
 
  End If
 
  getIP = Trim(Mid(strIPAddr, 1, 30))
 
  End Function
 
 

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