Question

asp.net网站发布到服务器之后，获取的客户端IP都是127.0.0.1，为什么？

如题，尝试过在其它的机器上搭建iis服务器，经测试获取客户端IP没有问题，但发布到客户的服务器上之后就不成了，客户服务器的环境是Win Server 2003 + iis 6.0，获取客户端IP的代码是HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
客户的服务器需要特别的配置一下吗？到底是什么原因呢？希望大家能给予指点，多谢多谢！！

Answer 1

public string IPAddress()
        {
            string result = String.Empty;
            result = HttpContext.Current.Request.ServerVariables["HTTP_VIA"];
            if (!string.IsNullOrEmpty(result))
            {
                result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
                if (!string.IsNullOrEmpty(result))
                {
                    //可能有代理 
                    if (result.IndexOf(".") == -1) //没有"."肯定是非IPv4格式 
                        result = null;
                    else
                    {
                        if (result.IndexOf(",") >= 0)
                        {
                            //有","，估计多个代理。取第一个不是内网的IP。 
                            result = result.Replace(" ", "").Replace("'", "").Replace(";", "");
                            string[] temparyip = result.Split(',');
                            for (int i = 0; i < temparyip.Length; i++)
                            {
                                if (IsIPAddress(temparyip[i]))
                                {
                                    if (!temparyip[i].StartsWith("10.") && !temparyip[i].StartsWith("192.168") && !temparyip[i].StartsWith("172.16."))
                                    {
                                        result = temparyip[i]; //找到不是内网的地址
                                        break;
                                    }
                                }
                            }
                        }
                        if (!IsIPAddress(result)) //代理即是IP格式 
                        {
                            result = null; //代理中的内容 非IP，取IP k
                        }
                    }
                }
            }
            else
            {
                result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
            }
            if (string.IsNullOrEmpty(result))
            {
                result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
            }
            if (string.IsNullOrEmpty(result))
            {
                result = HttpContext.Current.Request.UserHostAddress;
            }
            if (string.IsNullOrEmpty(result))
            {
                result = "000.000.000.000";
            }
            return result;
        }

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非常感谢你的回答，再听听别人还有没有其它建议。