diff --git a/cmd/main.go b/cmd/main.go
index ae12b33..2807cd8 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -1,22 +1,31 @@
 package main
 
 import (
+	"StorBackEnd/pkg/config"
 	"StorBackEnd/pkg/network"
 	"StorBackEnd/pkg/protocol/managers"
 	"StorBackEnd/pkg/protocol/repository"
 	"StorBackEnd/pkg/protocol/rules/readers"
 	"StorBackEnd/pkg/protocol/rules/writers"
+	"time"
 )
 
 const (
-	MULTICAST_ADDRESS = "226.66.66.1:42500"
-	MULTICAST_SECOND  = 10 // TODO : Changer en 30 secondes
-	UNICAST_ADDRESS   = "0.0.0.0:58000"
+	FILE_PATH = "resources/AppConfig.json"
 )
 
 func main() {
 	println("StorBackEnd started !")
 
+	// Loading App config
+	appConfig, err := config.Read(FILE_PATH)
+	if err != nil {
+		println("Impossible de charger la configuration du server : " + err.Error())
+		return
+	}
+
+	println("Adresse multicast : " + appConfig.MulticastAddress)
+
 	protocolRepository := repository.CreateProtocolRepository()
 
 	// Création des Writers
@@ -27,12 +36,12 @@ func main() {
 	eraseFileRule := readers.CreateEraseFileRule("^ERASEFILE ([A-Za-z0-9.]{50,200})\r\n$")
 	protocolRepository.AddReader(&eraseFileRule)
 
-	multicast := network.CreateClientMulticast(MULTICAST_ADDRESS, MULTICAST_SECOND, protocolRepository)
+	multicast := network.CreateClientMulticast(appConfig.MulticastAddress, appConfig.Domain, appConfig.UnicastPort, time.Duration(appConfig.MulticastSecond), protocolRepository)
 	go multicast.Run()
 
 	requestManager := managers.RequestManager{Repository: protocolRepository}
 
-	server := network.ServerUnicast{Network: "tcp", Address: UNICAST_ADDRESS, ReqManager: &requestManager}
+	server := network.ServerUnicast{Network: "tcp", Port: appConfig.UnicastPort, ReqManager: &requestManager}
 	server.Run()
 
 }
diff --git a/pkg/config/AppConfig.go b/pkg/config/AppConfig.go
index 673bc5a..9b5e2e5 100644
--- a/pkg/config/AppConfig.go
+++ b/pkg/config/AppConfig.go
@@ -2,27 +2,15 @@ package config
 
 // AppConfig Contient toute la configuration du server
 type AppConfig struct {
-	// multicastAddress Contient l'adresse multicast du FileFrontEnd (adresse:port)
-	multicastAddress string
+	// multicastAddress Contient l'adresse multicast du FileFrontEnd
+	MulticastAddress string `json:"multicastAddress"`
 
 	// multicastSecond Contient le nombre de seconde entre chaque annonce
-	multicastSecond int
+	MulticastSecond int `json:"multicastSecond"`
 
-	// unicastAddress Contient l'adresse unicast auquel le FileFrontEnd se connecte (adresse:port)
-	unicastAddress string
-}
+	// domain Domain du StorBackEnd
+	Domain string `json:"domain"`
 
-// MulticastAddress Accesseur pour multicastAddress
-func (a *AppConfig) MulticastAddress() string {
-	return a.multicastAddress
-}
-
-// MulticastSecond Accesseur pour multicastSecond
-func (a *AppConfig) MulticastSecond() int {
-	return a.multicastSecond
-}
-
-// UnicastAddress Accesseur pour unicastAddress
-func (a *AppConfig) UnicastAddress() string {
-	return a.unicastAddress
+	// unicastPort Contient le port unicast auquel le FileFrontEnd se connecte
+	UnicastPort int `json:"unicastPort"`
 }
diff --git a/pkg/config/JsonConfigReader.go b/pkg/config/JsonConfigReader.go
new file mode 100644
index 0000000..1cd3e96
--- /dev/null
+++ b/pkg/config/JsonConfigReader.go
@@ -0,0 +1,21 @@
+package config
+
+import (
+	"encoding/json"
+	"io/ioutil"
+)
+
+func Read(filePath string) (*AppConfig, error) {
+	config := AppConfig{}
+	file, err := ioutil.ReadFile(filePath)
+	if err != nil {
+		return nil, err
+	}
+
+	errJson := json.Unmarshal(file, &config)
+	if errJson != nil {
+		return nil, errJson
+	}
+
+	return &config, nil
+}
diff --git a/pkg/network/ClientMulticast.go b/pkg/network/ClientMulticast.go
index f902bdb..8a26121 100644
--- a/pkg/network/ClientMulticast.go
+++ b/pkg/network/ClientMulticast.go
@@ -3,14 +3,17 @@ package network
 import (
 	"StorBackEnd/pkg/protocol/repository"
 	"StorBackEnd/pkg/protocol/rules/writers"
+	"fmt"
 	"net"
 	"time"
 )
 
 // CreateClientMulticast Méthode de construction d'un instance de la stuct ClientMulticast
-func CreateClientMulticast(address string, second time.Duration, repository *repository.ProtocolRepository) ClientMulticast {
+func CreateClientMulticast(address string, domain string, port int, second time.Duration, repository *repository.ProtocolRepository) ClientMulticast {
 	return ClientMulticast{
 		address:    address,
+		domain:     domain,
+		port:       port,
 		second:     second,
 		repository: repository,
 	}
@@ -19,9 +22,15 @@ func CreateClientMulticast(address string, second time.Duration, repository *rep
 // ClientMulticast Cette structure représente une communication en multicast.
 // TODO : Prévoir une fermeture de la connection (con.Close())
 type ClientMulticast struct {
-	// address Adresse de multicast (address:port)
+	// address Adresse de multicast
 	address string
 
+	// address Domain de du StorBackEnd
+	domain string
+
+	// port Port de connexion en unicast
+	port int
+
 	// second Temps en seconde entre chaque ping
 	second time.Duration
 
@@ -41,8 +50,7 @@ func (cMult ClientMulticast) Run() {
 		return
 	}
 
-	// Fake test
-	cmd, correct := cMult.repository.ExecuteWriter(writers.HelloRuleName, "benja", "5078")
+	cmd, correct := cMult.repository.ExecuteWriter(writers.HelloRuleName, cMult.domain, fmt.Sprintf("%d", cMult.port))
 	if !correct {
 		println("[ClientMulticast] Hello rule isn't correct (" + cmd + ")")
 		return
diff --git a/pkg/network/ServerUnicast.go b/pkg/network/ServerUnicast.go
index 82e15b8..ecb24ed 100644
--- a/pkg/network/ServerUnicast.go
+++ b/pkg/network/ServerUnicast.go
@@ -9,13 +9,13 @@ import (
 
 type ServerUnicast struct {
 	Network    string
-	Address    string
+	Port       int
 	ReqManager *managers.RequestManager
 }
 
 func (server ServerUnicast) Run() {
 
-	listen, err := net.Listen(server.Network, server.Address) // "tcp", "0.0.0.0:58000"
+	listen, err := net.Listen(server.Network, fmt.Sprintf("0.0.0.0:%d", server.Port)) // "tcp", "0.0.0.0:58000"
 
 	if err != nil {
 		fmt.Printf("Can't start server : %s\n", err)
@@ -36,7 +36,7 @@ func (server ServerUnicast) Run() {
 			}
 
 			result := server.ReqManager.Execute(line)
-			con.Write(append([]byte(result), '\n'))
+			con.Write(append([]byte(result), '\n')) // TODO : ATTENTION laisser les \n
 		}
 	}
 
diff --git a/resources/AppConfig.json b/resources/AppConfig.json
new file mode 100644
index 0000000..a25c31e
--- /dev/null
+++ b/resources/AppConfig.json
@@ -0,0 +1,6 @@
+{
+  "multicastAddress" : "226.66.66.1:42500",
+  "multicastSecond" : 10,
+  "domain" : "benjamin",
+  "unicastPort" : 58000
+}
\ No newline at end of file