asp 取得用戶真實IP，對代理地址仍然有效的函數
2024-05-04 11:01:22
供稿：網友
<%
'******************************
'函數：GetUserTrueIP()
'參數：無
'作者：阿里西西
'日期：2007/7/13
'描述：取得用戶真實IP，對代理地址仍然有效；返回值：文本類型的IP地址
'示例：<%=GetUserTrueIP()%>
'******************************
Function GetUserTrueIP()
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
GetUserTrueIP = Trim(Mid(strIPAddr, 1, 30))
End Function
%>
