获取真实IP和代理IP (asp.net C#)

程序代码
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;
}
获取代理IP
程序代码
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;
}