diff --git a/build/TD2_Rezo.o b/build/TD2_Rezo.o
index 17f3df6..9b8aceb 100644
Binary files a/build/TD2_Rezo.o and b/build/TD2_Rezo.o differ
diff --git a/build/api/mictcp_core.o b/build/api/mictcp_core.o
index 7453c0c..0f2dc91 100644
Binary files a/build/api/mictcp_core.o and b/build/api/mictcp_core.o differ
diff --git a/build/apps/client.o b/build/apps/client.o
index c8854f5..e6910dd 100644
Binary files a/build/apps/client.o and b/build/apps/client.o differ
diff --git a/build/apps/gateway.o b/build/apps/gateway.o
index 65bfeec..5bdb278 100644
Binary files a/build/apps/gateway.o and b/build/apps/gateway.o differ
diff --git a/build/apps/server.o b/build/apps/server.o
index 5a7784c..428ff7d 100644
Binary files a/build/apps/server.o and b/build/apps/server.o differ
diff --git a/build/client b/build/client
old mode 100644
new mode 100755
index e0133ee..9bc8134
Binary files a/build/client and b/build/client differ
diff --git a/build/gateway b/build/gateway
old mode 100644
new mode 100755
index 1b520c2..9b3ccd9
Binary files a/build/gateway and b/build/gateway differ
diff --git a/build/mictcp.o b/build/mictcp.o
index 0a1ebcb..61831c3 100644
Binary files a/build/mictcp.o and b/build/mictcp.o differ
diff --git a/build/server b/build/server
old mode 100644
new mode 100755
index 414b5d2..1f8045f
Binary files a/build/server and b/build/server differ
diff --git a/src/api/mictcp_core.c b/src/api/mictcp_core.c
index b55f36f..e0fa4d8 100644
--- a/src/api/mictcp_core.c
+++ b/src/api/mictcp_core.c
@@ -81,6 +81,7 @@ int initialize_components(start_mode mode)
             local_addr.sin_port = htons(API_SC_Port);
             local_addr.sin_addr.s_addr = htonl(INADDR_ANY);
             bnd = bind(sys_socket, (struct sockaddr *) &local_addr, sizeof(local_addr));
+            pthread_create (&listen_th, NULL, listening, "1");
         }
     }
 
diff --git a/src/mictcp.c b/src/mictcp.c
index 7c3ba33..30c243c 100644
--- a/src/mictcp.c
+++ b/src/mictcp.c
@@ -120,11 +120,13 @@ int mic_tcp_connect(int socket, mic_tcp_sock_addr addr)
 	printf("Remote Address Port: %hu\n", addr.port);
 
     IP_send(pdu, tab_sockets[socket].dist_addr);
+	tab_sockets[socket].socket.state = SYN_SENT;
 	while (1)
 	{
 		sleep(timeout);
         printf("timeout\n");
-		if (tab_sockets[socket].socket.state == WAITING)
+        printf("Socket state : %d, SYN SENT = %d\n",tab_sockets[socket].socket.state,SYN_SENT );
+		if (tab_sockets[socket].socket.state == SYN_SENT)
 		{
 			IP_send(pdu, tab_sockets[socket].dist_addr);
 		}
@@ -165,13 +167,13 @@ int mic_tcp_send(int mic_sock, char *mesg, int mesg_size)
 	IP_send(pdu, tab_sockets[mic_sock].dist_addr);
 	tab_sockets[mic_sock].NoSeqLoc = (tab_sockets[mic_sock].NoSeqLoc + 1) % 2;
 
-	tab_sockets[mic_sock].socket.state = SYN_SENT;
+	tab_sockets[mic_sock].socket.state = WAITING;
 	int sent_size = IP_send(pdu, tab_sockets[mic_sock].dist_addr);
 
 	while (1)
 	{
 		sleep(timeout);
-		if (tab_sockets[mic_sock].socket.state == SYN)
+		if (tab_sockets[mic_sock].socket.state == WAITING)
 		{
 			sent_size = IP_send(pdu, tab_sockets[mic_sock].dist_addr);
 		}
@@ -256,6 +258,7 @@ void process_received_PDU(mic_tcp_pdu pdu, mic_tcp_sock_addr addr) //addr = adre
 
 		tab_sockets[mic_sock].socket.state = SYN_RECEIVED;
 
+		display_mic_tcp_pdu(pdu_r, "Pdu SYN ACK : \n");
 		while (1)
 		{
 
@@ -271,7 +274,7 @@ void process_received_PDU(mic_tcp_pdu pdu, mic_tcp_sock_addr addr) //addr = adre
 			}
 		}
 	}
-	else if (pdu.header.ack == 1 && pdu.header.syn && tab_sockets[mic_sock].socket.state == SYN_SENT)
+	else if (pdu.header.ack == 1 && pdu.header.syn == 1 && tab_sockets[mic_sock].socket.state == SYN_SENT)
 	{ // si SYN ACK reçu envoyer ACK
 
 		printf("PDU SYN ACK recu\n");