获取客户端IP

Question

网站放到外网如何获取访问的客户端IP呢?请大家支支招吧，谢啦！

Answer 1

public static string GetClientIP()
        {            string clientIP = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];            if (string.IsNullOrEmpty(clientIP))
                clientIP = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];            if (string.IsNullOrEmpty(clientIP))
                clientIP = HttpContext.Current.Request.UserHostAddress;            if (string.IsNullOrEmpty(clientIP))
                clientIP = "0.0.0.0";            return clientIP;
        }

Answer 2

Request.UserHostAddress