diff --git a/Post/Post/ConfigConn.cs b/Post/Post/ConfigConn.cs
new file mode 100644
index 0000000000000000000000000000000000000000..a9d237b3d328ee4cd4d3d50f88d2ee4f369eb887
--- /dev/null
+++ b/Post/Post/ConfigConn.cs
@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using System.IO;    // File
+using System.Text.RegularExpressions;   // Regex
+
+namespace Post
+{
+    public class ConfigConn
+    {
+        public string IP { get; set; }
+        public int PORT { get; set; }
+        public string DBNAME { get; set; }
+        public string USERNAME { get; set; }
+        public string PASSWORD { get; set; }
+
+        public ConfigConn()
+        {
+            IP = "";
+            PORT = 0;
+            DBNAME = "";
+            USERNAME = "";
+            PASSWORD = "";
+        }
+
+        public ConfigConn LoadConn(string alias)
+        {
+            ConfigConn configConn = new ConfigConn();
+            ConstFunc constFunc = new ConstFunc();
+            ConstValues constValues = new ConstValues();
+            ConstValuesConfig constValuesConfig = new ConstValuesConfig();
+
+            try
+            {
+                string path = constFunc.GetDirectoryPath(constValues.CONST_CONFIG_CONN) + alias + ".conn"; Console.WriteLine("path : " + path);
+                bool isExist = File.Exists(path);
+                if (!isExist)
+                {
+                    Console.WriteLine("connection file not found");
+                    return null;
+                }
+
+                StreamReader reader = new StreamReader(path);
+                string rowData = reader.ReadToEnd();
+                string[] arrData = Regex.Split(rowData, "\r\n");
+
+                for(int i = 0; i < arrData.Length; i++)
+                {
+                    arrData[i] = arrData[i].Replace('"', ' ').Replace(';', ' ');
+                    Console.WriteLine(">> " + arrData[i]);
+                    string[] arr = Regex.Split(arrData[i], "=");
+                    string[] arrTemp = new string[2];
+
+                    if (arr.Length > 1)
+                    {
+                        arrTemp[0] = arr[0];
+                        arrTemp[1] = arr[1].Trim();
+                    }
+                    else
+                    {
+                        arrTemp[0] = arr[0];
+                        arrTemp[1] = "";
+                    }
+
+                    if (arrTemp[0].Length > 0 && !arrTemp[0].Substring(0, 1).Equals("#"))
+                    {
+                        if (arrTemp[0].Equals(constValuesConfig.CONST_CONN_IP, StringComparison.OrdinalIgnoreCase))
+                            configConn.IP = arrTemp[1];
+                        else if (arrTemp[0].Equals(constValuesConfig.CONST_CONN_PORT, StringComparison.OrdinalIgnoreCase))
+                            configConn.PORT = Int32.Parse(arrTemp[1]);
+                        else if (arrTemp[0].Equals(constValuesConfig.CONST_CONN_DBNAME, StringComparison.OrdinalIgnoreCase))
+                        {
+                            if (arrTemp[1].Length == 0)
+                            {
+                                Console.WriteLine(arrTemp[0] + " 값 누락");
+                                return null;
+                            }
+                            configConn.DBNAME = arrTemp[1];
+                        }
+                        else if (arrTemp[0].Equals(constValuesConfig.CONST_CONN_USERNAME, StringComparison.OrdinalIgnoreCase))
+                        {
+
+                            if (arrTemp[1].Length == 0)
+                            {
+                                Console.WriteLine(arrTemp[0] + " 값 누락");
+                                return null;
+                            }
+                            configConn.USERNAME = arrTemp[1];
+                        }
+                        else if (arrTemp[0].Equals(constValuesConfig.CONST_CONN_PASSWORD, StringComparison.OrdinalIgnoreCase))
+                        {
+
+                            if (arrTemp[1].Length == 0)
+                            {
+                                Console.WriteLine(arrTemp[0] + " 값 누락");
+                                return null;
+                            }
+                            configConn.PASSWORD = arrTemp[1];
+                        }
+                    }
+                }
+                Console.WriteLine("--------------------------");
+
+                reader.Close();
+
+            } catch(Exception e)
+            {
+                Console.WriteLine("LoadConn : " + e.ToString());
+                return null;
+            }
+
+            return configConn;
+        }
+    }
+}