通过ASP可以轻松获得用户的真正 IP地址

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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