diff --git a/.idea/ StorBackEnd.iml b/.idea/StoreBackEnd.iml
similarity index 75%
rename from .idea/ StorBackEnd.iml
rename to .idea/StoreBackEnd.iml
index 5e764c4..eeb7bce 100644
--- a/.idea/ StorBackEnd.iml	
+++ b/.idea/StoreBackEnd.iml
@@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module type="WEB_MODULE" version="4">
+<module version="4">
   <component name="Go" enabled="true" />
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
index 2dd3b57..e9fb66c 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/ StorBackEnd.iml" filepath="$PROJECT_DIR$/.idea/ StorBackEnd.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/StoreBackEnd.iml" filepath="$PROJECT_DIR$/.idea/StoreBackEnd.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/cmd/main.go b/cmd/main.go
index 2807cd8..93747c3 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -1,47 +1,76 @@
 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"
+	"StoreBackEnd/pkg/config"
+	"StoreBackEnd/pkg/network"
+	"StoreBackEnd/pkg/protocol/managers"
+	"StoreBackEnd/pkg/protocol/repository"
+	"StoreBackEnd/pkg/protocol/rules/readers"
+	"StoreBackEnd/pkg/protocol/rules/writers"
+	"StoreBackEnd/pkg/utils"
 	"time"
 )
 
 const (
-	FILE_PATH = "resources/AppConfig.json"
+	FilePath = "resources/AppConfig.json"
 )
 
 func main() {
-	println("StorBackEnd started !")
+	utils.NetworkLister() // TODO REMOVE
+	println("StoreBackEnd started !")
 
 	// Loading App config
-	appConfig, err := config.Read(FILE_PATH)
+	appConfig, err := config.Read(FilePath)
 	if err != nil {
 		println("Impossible de charger la configuration du server : " + err.Error())
 		return
 	}
 
-	println("Adresse multicast : " + appConfig.MulticastAddress)
+	println(" - Multicast Network Interface : " + appConfig.MulticastNetworkInterface)
+	println(" - Multicast Address : " + appConfig.MulticastAddress)
+	println(" - StoreBacked Domain : " + appConfig.Domain)
 
 	protocolRepository := repository.CreateProtocolRepository()
 
-	// Création des Writers
+	/**
+	===== Init all Write here =====
+	*/
+	// Creation of the HelloRule
 	helloRule := writers.CreateHelloRule("^HELLO ([A-Za-z0-9]{5,20}) ([0-9]{1,5})\r\n$")
 	protocolRepository.AddWriter(&helloRule)
 
-	// Création des Readers
+	// Creation of the SendOkRule
+	sendOkRule := writers.CreateSendOkRule("^SEND_OK\r\n$")
+	protocolRepository.AddWriter(&sendOkRule)
+
+	// Creation of the SendErrorRule
+	sendErrorRule := writers.CreateSendOkRule("^SEND_ERROR\r\n$")
+	protocolRepository.AddWriter(&sendErrorRule)
+
+	/**
+	===== Init all Reader here =====
+	*/
+	// Creation of the EraseFileRule
 	eraseFileRule := readers.CreateEraseFileRule("^ERASEFILE ([A-Za-z0-9.]{50,200})\r\n$")
 	protocolRepository.AddReader(&eraseFileRule)
 
-	multicast := network.CreateClientMulticast(appConfig.MulticastAddress, appConfig.Domain, appConfig.UnicastPort, time.Duration(appConfig.MulticastSecond), protocolRepository)
+	// Creation of the SendFileRule // TODO reset to 50,200
+	sendFileRule := readers.CreateSendFileRule("^SENDFILE ([A-Za-z0-9.]{1,200}) ([0-9]{1,10}) ([A-Za-z0-9.]{50,200})\r\n$")
+	protocolRepository.AddReader(&sendFileRule)
+
+	// Create a Multicast Client & run it
+	multicast := network.CreateClientMulticast(
+		appConfig.MulticastNetworkInterface, appConfig.MulticastAddress, appConfig.Domain,
+		appConfig.UnicastPort, time.Duration(appConfig.MulticastSecond), protocolRepository)
 	go multicast.Run()
 
 	requestManager := managers.RequestManager{Repository: protocolRepository}
 
 	server := network.ServerUnicast{Network: "tcp", Port: appConfig.UnicastPort, ReqManager: &requestManager}
-	server.Run()
+	server.Run() // TODO : -> pourquoi ne pas partir dans un thread ici.
 
+	//reader := bufio.NewReader(os.Stdin) TODO ne pas oublier ici de mettre en place un point de sortie pour le programme.
+	//fmt.Print("Type Enter to quite: ")
+	//cmd, _ := reader.ReadString('\n')
+	//println(cmd)
 }
diff --git a/go.mod b/go.mod
index 6a92a91..7b67ed0 100644
--- a/go.mod
+++ b/go.mod
@@ -1 +1 @@
-module StorBackEnd
+module StoreBackEnd
diff --git a/pkg/config/AppConfig.go b/pkg/config/AppConfig.go
index 9b5e2e5..3777a54 100644
--- a/pkg/config/AppConfig.go
+++ b/pkg/config/AppConfig.go
@@ -2,15 +2,18 @@ package config
 
 // AppConfig Contient toute la configuration du server
 type AppConfig struct {
-	// multicastAddress Contient l'adresse multicast du FileFrontEnd
+	// MulticastNetworkInterface
+	MulticastNetworkInterface string `json:"multicastNetworkInterface"`
+
+	// MulticastAddress Contient l'adresse multicast du FileFrontEnd
 	MulticastAddress string `json:"multicastAddress"`
 
-	// multicastSecond Contient le nombre de seconde entre chaque annonce
+	// MulticastSecond Contient le nombre de seconde entre chaque annonce
 	MulticastSecond int `json:"multicastSecond"`
 
-	// domain Domain du StorBackEnd
+	// Domain du StoreBackEnd
 	Domain string `json:"domain"`
 
-	// unicastPort Contient le port unicast auquel le FileFrontEnd se connecte
+	// 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
index 1cd3e96..f063606 100644
--- a/pkg/config/JsonConfigReader.go
+++ b/pkg/config/JsonConfigReader.go
@@ -5,6 +5,8 @@ import (
 	"io/ioutil"
 )
 
+// Read Méthode permettant de lire le fichier de donfiguration
+// return AppConfig
 func Read(filePath string) (*AppConfig, error) {
 	config := AppConfig{}
 	file, err := ioutil.ReadFile(filePath)
@@ -16,6 +18,5 @@ func Read(filePath string) (*AppConfig, error) {
 	if errJson != nil {
 		return nil, errJson
 	}
-
 	return &config, nil
 }
diff --git a/pkg/network/ClientMulticast.go b/pkg/network/ClientMulticast.go
index 8a26121..1bda350 100644
--- a/pkg/network/ClientMulticast.go
+++ b/pkg/network/ClientMulticast.go
@@ -1,16 +1,17 @@
 package network
 
 import (
-	"StorBackEnd/pkg/protocol/repository"
-	"StorBackEnd/pkg/protocol/rules/writers"
+	"StoreBackEnd/pkg/protocol/repository"
+	"StoreBackEnd/pkg/protocol/rules/writers"
 	"fmt"
 	"net"
 	"time"
 )
 
 // CreateClientMulticast Méthode de construction d'un instance de la stuct ClientMulticast
-func CreateClientMulticast(address string, domain string, port int, second time.Duration, repository *repository.ProtocolRepository) ClientMulticast {
+func CreateClientMulticast(netInterface string, address string, domain string, port int, second time.Duration, repository *repository.ProtocolRepository) ClientMulticast {
 	return ClientMulticast{
+		netInter:   netInterface,
 		address:    address,
 		domain:     domain,
 		port:       port,
@@ -22,62 +23,102 @@ func CreateClientMulticast(address string, domain string, port int, second time.
 // ClientMulticast Cette structure représente une communication en multicast.
 // TODO : Prévoir une fermeture de la connection (con.Close())
 type ClientMulticast struct {
+	// netInter Interface réseaux multicast
+	netInter string
 	// address Adresse de multicast
 	address string
-
-	// address Domain de du StorBackEnd
+	// address Domain de du StoreBackEnd
 	domain string
-
 	// port Port de connexion en unicast
 	port int
-
 	// second Temps en seconde entre chaque ping
 	second time.Duration
-
-	// Repository de protocol permettant de
+	// repository de protocol permettant de
 	repository *repository.ProtocolRepository
 }
 
 // Run Cette méthode démarre une commmunication multicast
-func (cMult ClientMulticast) Run() {
-	addr, done := cMult.ResolveAddr()
-	if done {
+func (client ClientMulticast) Run() {
+	// Resolve multicast addr
+	rAddr, failedRA := client.ResolveAddr()
+	if failedRA {
 		return
 	}
 
-	con, done2 := cMult.DialUdp(addr)
-	if done2 {
+	// Resolve interface addr
+	lAddr, failedRIA := ResolveInterfaceAddr(client.netInter)
+	if failedRIA {
+		println("finish")
 		return
 	}
 
-	cmd, correct := cMult.repository.ExecuteWriter(writers.HelloRuleName, cMult.domain, fmt.Sprintf("%d", cMult.port))
+	// Init UDP server flux
+	con, failedDU := client.DialUdp(lAddr, rAddr)
+	if failedDU {
+		return
+	}
+
+	cmd, correct := client.repository.ExecuteWriter(writers.HelloRulePrefix, client.domain, fmt.Sprintf("%d", client.port))
 	if !correct {
 		println("[ClientMulticast] Hello rule isn't correct (" + cmd + ")")
 		return
 	}
 
 	for {
-		con.Write([]byte(cmd))
-		time.Sleep(time.Second * cMult.second)
+		_, _ = con.Write([]byte(cmd))
+		time.Sleep(time.Second * client.second)
 	}
-
 }
 
-// ResolveAddr Permet de résoude l'addresse
-func (cMult ClientMulticast) ResolveAddr() (*net.UDPAddr, bool) {
-	addr, errResUdp := net.ResolveUDPAddr("udp", cMult.address)
-
-	if errResUdp != nil {
-		println(errResUdp.Error())
+// ResolveAddr Permet de résoude l'addresse multicast
+func (client ClientMulticast) ResolveAddr() (*net.UDPAddr, bool) {
+	addr, err := net.ResolveUDPAddr("udp", client.address)
+	if err != nil {
+		println(err.Error())
 		return nil, true
 	}
-
 	return addr, false
 }
 
+// ResolveInterfaceAddr Resolves the network interface address.
+func ResolveInterfaceAddr(inter string) (*net.UDPAddr, bool) {
+	//i, err := net.InterfaceByName(inter)
+	//addrs, err := i.Addrs()
+	//println(addrs[0])
+	//addr, err := net.ResolveUDPAddr("udp", addrs[0].String())
+	//if err != nil {
+	//	println(err.Error())
+	//	return nil, true
+	//}
+	return nil, false
+	//var ipv4Addr net.IP
+	//ief, err := net.InterfaceByName(inter)
+	//if err != nil {
+	//	println(err.Error())
+	//	return nil, true
+	//}
+	//addrs, err := ief.Addrs()
+	//if err != nil {
+	//	println(err.Error())
+	//	return nil, true
+	//}
+	//for _, addr := range addrs {
+	//	if ipv4Addr = addr.(*net.IPNet).IP; ipv4Addr != nil {
+	//		break
+	//	}
+	//}
+	//println(ipv4Addr.String())
+	//addr, err := net.ResolveUDPAddr("udp", ipv4Addr.String())
+	//if err != nil {
+	//	println(err.Error())
+	//	return nil, true
+	//}
+	//return addr, false
+}
+
 // DialUdp Ouvre une connection UDP
-func (cMult ClientMulticast) DialUdp(addr *net.UDPAddr) (*net.UDPConn, bool) {
-	con, errDial := net.DialUDP("udp", nil, addr)
+func (client ClientMulticast) DialUdp(lAddr *net.UDPAddr, rAddr *net.UDPAddr) (*net.UDPConn, bool) {
+	con, errDial := net.DialUDP("udp", nil, rAddr)
 	if errDial != nil {
 		println(errDial.Error())
 		return nil, true
diff --git a/pkg/network/ServerUnicast.go b/pkg/network/ServerUnicast.go
index ecb24ed..8bfbe78 100644
--- a/pkg/network/ServerUnicast.go
+++ b/pkg/network/ServerUnicast.go
@@ -1,7 +1,7 @@
 package network
 
 import (
-	"StorBackEnd/pkg/protocol/managers"
+	"StoreBackEnd/pkg/protocol/managers"
 	"bufio"
 	"fmt"
 	"net"
@@ -14,7 +14,6 @@ type ServerUnicast struct {
 }
 
 func (server ServerUnicast) Run() {
-
 	listen, err := net.Listen(server.Network, fmt.Sprintf("0.0.0.0:%d", server.Port)) // "tcp", "0.0.0.0:58000"
 
 	if err != nil {
@@ -24,20 +23,22 @@ func (server ServerUnicast) Run() {
 
 	// Attente connexion du FileFrontEnd
 	con, err := listen.Accept()
+	print("connection ok")
 
 	if err != nil {
 		fmt.Printf("Error while accepting client : %s\n", err)
 		return
 	} else {
 		for { // TODO : Extraire cette partie de code
-			line, err := bufio.NewReader(con).ReadString('\n')
+			reader := bufio.NewReader(con)
+			line, err := reader.ReadString('\n')
+			println("[REQUEST] " + line)
 			if err != nil {
 				return
 			}
-
-			result := server.ReqManager.Execute(line)
-			con.Write(append([]byte(result), '\n')) // TODO : ATTENTION laisser les \n
+			result := server.ReqManager.Execute(line, reader)
+			println("[RESPONSE] : ", result)
+			_, _ = con.Write(append([]byte(result), '\n')) // TODO : ATTENTION laisser les \n
 		}
 	}
-
 }
diff --git a/pkg/protocol/IProtocolReader.go b/pkg/protocol/IProtocolReader.go
index 26b0ea4..ad6d0ed 100644
--- a/pkg/protocol/IProtocolReader.go
+++ b/pkg/protocol/IProtocolReader.go
@@ -1,12 +1,16 @@
 package protocol
 
+import (
+	"bufio"
+)
+
 // IProtocolReader Représentation abstraite d'un protocol
 type IProtocolReader interface {
 	// GetCmd Permet de récupérer le nom de la commande
 	GetCmd() string
 
 	// Execute Permet d'exécuter l'action implémentée par une règle. Retourne le message (rule) de retour et bool pour savoir si tout s'est bien passé ou non
-	Execute(data string) (string, bool)
+	Execute(data string) (string, bool, func(reader *bufio.Reader) (string, bool))
 
 	// Match Permet de vérifier la validité d'une donnée censée suivre les règles d'un protocol
 	Match(data string) bool
diff --git a/pkg/protocol/IProtocolWriter.go b/pkg/protocol/IProtocolWriter.go
index adbd040..d12d960 100644
--- a/pkg/protocol/IProtocolWriter.go
+++ b/pkg/protocol/IProtocolWriter.go
@@ -1,10 +1,10 @@
 package protocol
 
-// IProtocolReader Représentation abstraite d'un protocol
+// IProtocolWriter Représentation abstraite d'un protocol
 type IProtocolWriter interface {
 	// GetCmd Permet de récupérer le nom de la commande
 	GetCmd() string
 
-	// Execute Permet de vérifier la validité d'une donnée censée suivre les règles d'un protocol
+	// Execute Permet de créer une règle à envoyer
 	Execute(argsData ...string) (string, bool)
 }
diff --git a/pkg/protocol/RegexMatcher.go b/pkg/protocol/RegexMatcher.go
index 517be7e..679cadb 100644
--- a/pkg/protocol/RegexMatcher.go
+++ b/pkg/protocol/RegexMatcher.go
@@ -8,7 +8,6 @@ func CreateRegexMatcher(pattern string) *RegexMatcher {
 	if err != nil {
 		return nil
 	}
-
 	return &RegexMatcher{matcher: compile}
 }
 
diff --git a/pkg/protocol/managers/RequestManager.go b/pkg/protocol/managers/RequestManager.go
index 9c0b7d2..0ce0d9c 100644
--- a/pkg/protocol/managers/RequestManager.go
+++ b/pkg/protocol/managers/RequestManager.go
@@ -1,20 +1,28 @@
 package managers
 
-import "StorBackEnd/pkg/protocol/repository"
+import (
+	"StoreBackEnd/pkg/protocol/repository"
+	"bufio"
+)
 
 type RequestManager struct {
 	Repository *repository.ProtocolRepository
 }
 
-func (receiver RequestManager) Execute(request string) string {
+func (receiver RequestManager) Execute(request string, reader *bufio.Reader) string {
 	// On lis ce que l'on reçoit
-	result, executed := receiver.Repository.ExecuteReader(request)
+	result, executed, readCb := receiver.Repository.ExecuteReader(request)
 
 	// On renvoie la réponse (Comment pour fichier ?)
 	if executed {
+		if readCb != nil {
+			cbResult, _ := readCb(reader)
+			if cbResult != "" {
+				result = cbResult
+			}
+		}
 		return result
 	} else {
-		// TODO : Renvoyer qu'une erreur est survenue
-		return "Error occured while execute command"
+		return "Error occurred while execute command"
 	}
 }
diff --git a/pkg/protocol/repository/ProtocolRepository.go b/pkg/protocol/repository/ProtocolRepository.go
index 9e613c5..fc3341c 100644
--- a/pkg/protocol/repository/ProtocolRepository.go
+++ b/pkg/protocol/repository/ProtocolRepository.go
@@ -1,6 +1,9 @@
 package repository
 
-import "StorBackEnd/pkg/protocol"
+import (
+	"StoreBackEnd/pkg/protocol"
+	"bufio"
+)
 
 func CreateProtocolRepository() *ProtocolRepository {
 	return &ProtocolRepository{
@@ -17,7 +20,6 @@ type ProtocolRepository struct {
 // AddReader Permet d'ajouter une règle servant à lire une commande
 func (repo ProtocolRepository) AddReader(reader *protocol.IProtocolReader) {
 	cmd := (*reader).GetCmd()
-
 	if cmd != "" && !repo.containsReader(cmd) {
 		repo.protocolReaders[cmd] = reader
 	}
@@ -26,7 +28,6 @@ func (repo ProtocolRepository) AddReader(reader *protocol.IProtocolReader) {
 // AddWriter Permet d'ajouter une règle servant à construire une commande
 func (repo ProtocolRepository) AddWriter(writer *protocol.IProtocolWriter) {
 	cmd := (*writer).GetCmd()
-
 	if cmd != "" && !repo.containsWriter(cmd) {
 		repo.protocolWriters[cmd] = writer
 	}
@@ -35,25 +36,24 @@ func (repo ProtocolRepository) AddWriter(writer *protocol.IProtocolWriter) {
 /*
 	ExecuteReader Permet d'exécuter un Reader et de récupérer la commande à renvoyer. La deuxième valeur de retour permet de savoir si une commande a put être exécuté
 */
-func (repo ProtocolRepository) ExecuteReader(data string) (string, bool) {
+func (repo ProtocolRepository) ExecuteReader(data string) (string, bool, func(reader *bufio.Reader) (string, bool)) {
 	for _, reader := range repo.protocolReaders {
 		if (*reader).Match(data) { // Exécuter si match
 			// Récupérer résultat à renvoyer (Donc donner ProtocolRepository aux reader ?!)
 			return (*reader).Execute(data)
 		}
 	}
-
-	return "", false
+	return "", false, nil
 }
 
 /*
 	ExecuteReader Permet d'exécuter un Wrier et de récupérer la commande construite avec nos argument et un indicateur de réussite.
 */
 func (repo ProtocolRepository) ExecuteWriter(ruleName string, data ...string) (string, bool) {
-	protWriter, has := repo.protocolWriters[ruleName]
+	protocolWriter, has := repo.protocolWriters[ruleName]
 	if has {
 		println("OHOH")
-		return (*protWriter).Execute(data...)
+		return (*protocolWriter).Execute(data...)
 	} else {
 		return "", false
 	}
diff --git a/pkg/protocol/rules/readers/EraseFileRule.go b/pkg/protocol/rules/readers/EraseFileRule.go
index 0d75f14..1467aa6 100644
--- a/pkg/protocol/rules/readers/EraseFileRule.go
+++ b/pkg/protocol/rules/readers/EraseFileRule.go
@@ -1,9 +1,12 @@
 package readers
 
-import "StorBackEnd/pkg/protocol"
+import (
+	"StoreBackEnd/pkg/protocol"
+	"bufio"
+)
 
-// EraseFileRuleName Identifiant de cette règle
-const EraseFileRuleName = "ffe_erasefile"
+// EraseFileRulePrefix Identifiant de cette règle
+const EraseFileRulePrefix = "ERASEFILE"
 
 // EraseFileRule Demande de suppression d'un fichier
 type EraseFileRule struct {
@@ -17,7 +20,7 @@ type EraseFileRule struct {
 // CreateEraseFileRule Création d'une instance de EraseFileRule
 func CreateEraseFileRule(pattern string) protocol.IProtocolReader {
 	return &EraseFileRule{
-		Cmd:     EraseFileRuleName,
+		Cmd:     EraseFileRulePrefix,
 		matcher: protocol.CreateRegexMatcher(pattern),
 	}
 }
@@ -26,14 +29,13 @@ func (rule EraseFileRule) GetCmd() string {
 	return rule.Cmd
 }
 
-func (rule EraseFileRule) Execute(data string) (string, bool) {
-
+func (rule EraseFileRule) Execute(data string) (string, bool, func(r *bufio.Reader) (string, bool)) {
 	if rule.Match(data) {
 		values := rule.matcher.Parse(data)
 		println(values[1], " est le hash du fichier à supprimer")
-		return "Parsing : Fichier avec le hash " + values[1] + " supprimé", true
+		return "Parsing : Fichier avec le hash " + values[1] + " supprimé", true, nil
 	} else {
-		return "Parsing : EraseFileRule command incorrecte", false
+		return "Parsing : EraseFileRule command incorrecte", false, nil
 	}
 }
 
diff --git a/pkg/protocol/rules/readers/SendFileRule.go b/pkg/protocol/rules/readers/SendFileRule.go
new file mode 100644
index 0000000..ee0f96c
--- /dev/null
+++ b/pkg/protocol/rules/readers/SendFileRule.go
@@ -0,0 +1,79 @@
+package readers
+
+import (
+	"StoreBackEnd/pkg/protocol"
+	"StoreBackEnd/pkg/utils"
+	"bufio"
+	"strconv"
+)
+
+// SendFileRulePrefix Rule command prefix
+const SendFileRulePrefix = "ffe_sendfile"
+
+// SendFileRule Storage structure for the SendFileRule
+type SendFileRule struct {
+	// cmd Rule name
+	cmd string
+	// matcher Allow to make a regex match
+	matcher *protocol.RegexMatcher
+}
+
+// CreateSendFileRule Creating an instance of SendFileRule
+func CreateSendFileRule(pattern string) protocol.IProtocolReader {
+	return &SendFileRule{
+		cmd:     SendFileRulePrefix,
+		matcher: protocol.CreateRegexMatcher(pattern),
+	}
+}
+
+// GetCmd retrieve the command name.
+func (rule SendFileRule) GetCmd() string {
+	return rule.cmd
+}
+
+// Execute the Rule with a string command.
+func (rule SendFileRule) Execute(data string) (string, bool, func(reader *bufio.Reader) (string, bool)) {
+	if rule.Match(data) { // TODO : cloture this command.
+		values := rule.matcher.Parse(data)
+
+		// Values
+		fileName := values[1]
+		fileSize, _ := strconv.Atoi(values[2])
+		// fileContentHash := values[3]
+
+		// print received data
+		println(values[1], " File Name Hash")
+		println(values[2], " File Size")
+		println(values[3], " File Content Hash")
+
+		// function callback
+		callback := func(reader *bufio.Reader) (string, bool) {
+			hasReceive := utils.ReceiveFile(fileName, fileSize, reader)
+			println("HEY1")
+			/*
+				file, _ := os.Create(fmt.Sprintf("/home/benjamin/sbe/%s", fileName))
+				_, err := io.Copy(file, reader)
+				println("HEY1")
+				if err != nil {
+					println("Can't copy file")
+					return "SEND_ERROR\r", false
+				}
+
+			*/
+			if !hasReceive {
+				return "SEND_ERROR\r", false
+			}
+			println("HEY2")
+			return "SEND_OK\r", true
+		}
+		return "SEND_OK\r", true, callback
+	} else {
+		println("AHAHAHAHAHAHA")
+		return "SEND_ERROR\r", false, nil
+	}
+}
+
+// Match make a match with the current Rule and check if it matches.
+func (rule SendFileRule) Match(data string) bool {
+	return rule.matcher.Match(data)
+}
diff --git a/pkg/protocol/rules/writers/HelloRule.go b/pkg/protocol/rules/writers/HelloRule.go
index e2d3cf6..e5b0b9f 100644
--- a/pkg/protocol/rules/writers/HelloRule.go
+++ b/pkg/protocol/rules/writers/HelloRule.go
@@ -1,29 +1,32 @@
 package writers
 
-import "StorBackEnd/pkg/protocol"
+import "StoreBackEnd/pkg/protocol"
 
-const HelloRuleName = "sbe_hello"
+// HelloRulePrefix Rule command prefix
+const HelloRulePrefix = "HELLO"
 
+// HelloRule Storage structure for the HelloRule
 type HelloRule struct {
-	// Cmd Nom de la règle
-	Cmd string
-
-	// matcher Permet d'extraire de éléments d'une chaine
+	// cmd Rule name
+	cmd string
+	// matcher Allow to make a regex match
 	matcher *protocol.RegexMatcher
 }
 
-// CreateHelloRule Création d'une instance de HelloRule
+// CreateHelloRule Creating an instance of HelloRule
 func CreateHelloRule(pattern string) protocol.IProtocolWriter {
 	return &HelloRule{
-		Cmd:     HelloRuleName,
+		cmd:     HelloRulePrefix,
 		matcher: protocol.CreateRegexMatcher(pattern),
 	}
 }
 
+// GetCmd retrieve the command name.
 func (rule HelloRule) GetCmd() string {
-	return rule.Cmd
+	return rule.cmd
 }
 
+// Execute the Rule with a string command.
 func (rule HelloRule) Execute(argsData ...string) (string, bool) {
-	return rule.matcher.Build("HELLO", argsData...)
+	return rule.matcher.Build(HelloRulePrefix, argsData...)
 }
diff --git a/pkg/protocol/rules/writers/SendErrorRule.go b/pkg/protocol/rules/writers/SendErrorRule.go
new file mode 100644
index 0000000..fe6c27b
--- /dev/null
+++ b/pkg/protocol/rules/writers/SendErrorRule.go
@@ -0,0 +1,32 @@
+package writers
+
+import "StoreBackEnd/pkg/protocol"
+
+// SendErrorRulePrefix Rule command prefix
+const SendErrorRulePrefix = "SEND_ERROR"
+
+// SendErrorRule Storage structure for the SendErrorRule
+type SendErrorRule struct {
+	// cmd Rule name
+	cmd string
+	// matcher Allow to make a regex match
+	matcher *protocol.RegexMatcher
+}
+
+// CreateSendErrorRule Creating an instance of SendErrorRule
+func CreateSendErrorRule(pattern string) protocol.IProtocolWriter {
+	return &SendErrorRule{
+		cmd:     SendErrorRulePrefix,
+		matcher: protocol.CreateRegexMatcher(pattern),
+	}
+}
+
+// GetCmd retrieve the command name.
+func (rule SendErrorRule) GetCmd() string {
+	return rule.cmd
+}
+
+// Execute the Rule with a string command.
+func (rule SendErrorRule) Execute(argsData ...string) (string, bool) {
+	return rule.matcher.Build(SendErrorRulePrefix, argsData...)
+}
diff --git a/pkg/protocol/rules/writers/SendOkRule.go b/pkg/protocol/rules/writers/SendOkRule.go
new file mode 100644
index 0000000..2d1e850
--- /dev/null
+++ b/pkg/protocol/rules/writers/SendOkRule.go
@@ -0,0 +1,32 @@
+package writers
+
+import "StoreBackEnd/pkg/protocol"
+
+// SendOkRulePrefix Rule command prefix
+const SendOkRulePrefix = "SEND_OK"
+
+// SendOkRule Storage structure for the SendOkRule
+type SendOkRule struct {
+	// cmd Rule name
+	cmd string
+	// matcher Allow to make a regex match
+	matcher *protocol.RegexMatcher
+}
+
+// CreateSendOkRule Creating an instance of SendOkRule
+func CreateSendOkRule(pattern string) protocol.IProtocolWriter {
+	return &SendOkRule{
+		cmd:     SendOkRulePrefix,
+		matcher: protocol.CreateRegexMatcher(pattern),
+	}
+}
+
+// GetCmd retrieve the command name.
+func (rule SendOkRule) GetCmd() string {
+	return rule.cmd
+}
+
+// Execute the Rule with a string command.
+func (rule SendOkRule) Execute(argsData ...string) (string, bool) {
+	return rule.matcher.Build(SendOkRulePrefix, argsData...)
+}
diff --git a/pkg/utils/FileReceiver.go b/pkg/utils/FileReceiver.go
new file mode 100644
index 0000000..46b299b
--- /dev/null
+++ b/pkg/utils/FileReceiver.go
@@ -0,0 +1,31 @@
+package utils
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+// ReceiveFile Permet de récupérer un fichier sur un reader
+func ReceiveFile(fileName string, fileSize int, reader *bufio.Reader) bool {
+	file, fileErr := os.Create(fmt.Sprintf("/home/benjamin/sbe/%s", fileName))
+	if fileErr != nil {
+		return false
+	}
+
+	defer file.Close()
+	currentSize := 0
+	buffer := make([]byte, 1024)
+
+	for currentSize < fileSize {
+		length, err := reader.Read(buffer)
+		if err != nil {
+			return false
+		}
+
+		currentSize += length
+		file.WriteAt(buffer, int64(currentSize))
+	}
+
+	return true
+}
diff --git a/pkg/utils/NetworkLister.go b/pkg/utils/NetworkLister.go
new file mode 100644
index 0000000..3e0c0de
--- /dev/null
+++ b/pkg/utils/NetworkLister.go
@@ -0,0 +1,24 @@
+package utils
+
+import (
+	"fmt"
+	"net"
+)
+
+func NetworkLister() {
+	// Retrieve Interfaces
+	inter, err := net.Interfaces()
+
+	// Process errors
+	if err != nil {
+		println("[ERROR] An error occurred : " + err.Error())
+		return
+	}
+
+	// Display items
+	println("\n\nNetwork interface list :")
+	for i, val := range inter {
+		fmt.Printf("%d. %s\n", i, val.Name)
+	}
+	print("\n")
+}
diff --git a/resources/AppConfig.json b/resources/AppConfig.json
index a25c31e..16552c9 100644
--- a/resources/AppConfig.json
+++ b/resources/AppConfig.json
@@ -1,6 +1,7 @@
 {
-  "multicastAddress" : "226.66.66.1:42500",
+  "multicastNetworkInterface" : "Wi-Fi",
+  "multicastAddress" : "226.66.66.1:15502",
   "multicastSecond" : 10,
-  "domain" : "benjamin",
+  "domain" : "lightcontainerSB01",
   "unicastPort" : 58000
 }
\ No newline at end of file