c#获取真实IP和代理IP

public static string GetRealIP()
{
string ip;
try
{
HttpRequest request &＃61; HttpContext.Current.Request;

if (request.ServerVariables["HTTP_VIA"] !&＃61; null)
{
ip &＃61; request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString().Split(&＃39;,&＃39;)[0].Trim();
}
else
{
ip &＃61; request.UserHostAddress;
}
}
catch (Exception e)
{
throw e;
}

return ip;
}

public static string GetViaIP()
{
string viaIp &＃61; null;

try
{
HttpRequest request &＃61; HttpContext.Current.Request;

if (request.ServerVariables["HTTP_VIA"] !&＃61; null)
{
viaIp &＃61; request.UserHostAddress;
}

}
catch (Exception e)
{

throw e;
}

return viaIp;