public static string GetRealIP()
{
string ip;
try
{
HttpRequest request = HttpContext.Current.Request;

if (request.ServerVariables["HTTP_VIA"] != null)
{
ip = request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString().Split(',')[0].Trim();
}
else
{
ip = request.UserHostAddress;
}
}
catch (Exception e)
{
throw e;
}

return ip;
}

public static string GetViaIP()
{
string viaIp = null;

try
{
HttpRequest request = HttpContext.Current.Request;

if (request.ServerVariables["HTTP_VIA"] != null)
{
viaIp = request.UserHostAddress;
}

}
catch (Exception e)
{

throw e;
}

return viaIp;

如果是高手的话，这么办法还是可以破的。 世界上任何事情都是有解决办法的。但这样更加有趣，不是吗？有意思！