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用通ASP直接取得用戶真實(shí)IP地址

發(fā)表時間：2023-08-19 來源：明輝站整理相關(guān)軟件相關(guān)文章人氣：

[摘要]通用FUNCTION，如果不能取真實(shí)IP，就會取代理IPPrivate Function getIP() Dim strIPAddr If Request.ServerVariables...

通用FUNCTION，如果不能取真實(shí)IP，就會取代理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