diff --git a/src/serverP2P/ServerP2P.java b/src/serverP2P/ServerP2P.java
index 7d607b9..82dead1 100644
--- a/src/serverP2P/ServerP2P.java
+++ b/src/serverP2P/ServerP2P.java
@@ -1,10 +1,13 @@
 package serverP2P;
+
+import java.util.Scanner;
 import serverP2P.ServerManagementUDP;
 import serverP2P.ServerManagementTCP;
 import tools.Directories;
 import tools.Logger;
 import tools.HostItem;
-import java.util.Scanner;
+import tools.TestPort;
+
 
 /** Server only implementation
  * First argument of main method is port listened by the server, and is mandatory.
@@ -37,23 +40,70 @@ public class ServerP2P {
 
 	/** Main program entry point
 	 * first parameter is port number and is mandatory
-	 * to test, run with: java -ea serverP2P.ServerP2P -- <portNumber> <TrackerHostname> <TrackerPort>
+	 * to test, run with: java -ea serverP2P.ServerP2P
 	 * @param args	parameters
 	 */
 		public static void main(String [] args) {
-			if (args[1].equals("help") || args[1].equals("-h") || args[1].equals("h")){
-				System.out.println("usage : java serveurP2P.ServeurP2P or java serveurP2P.ServeurP2P -- <serveurPORT> <trackerHOSTNAME> <trackerPORT> (default for server localhost:7070 and tracker localhost:6969, range 7000 -> 7999)");
+			final String defaultHostname = "localhost";
+			final String defaultPortServer = "7070";
+			final String defaultPortTracker = "6969";
+			Scanner scanner = new Scanner(System.in);
+			TestPort testPort = new TestPort();
+
+			System.out.println("Server, enter hostname to bind (default = localhost): ");
+			String hostnameServer = scanner.nextLine();
+			if(hostnameServer.equals("")){
+				hostnameServer = defaultHostname;
+				System.out.println("using default hostname : " + hostnameServer);
+			}	else{
+				System.out.println("using hostname : " + hostnameServer);
+			}
+			System.out.println("enter port (default = 7070): ");
+			String portServer = scanner.nextLine();
+			if(portServer.equals("")){
+				portServer = defaultPortServer;
+				System.out.println("using default port : " + portServer);
 			}
-			else{
-				ServerP2P s = new ServerP2P(args[1], args[2], args[3]);
-				ServerManagementUDP smudp = new ServerManagementUDP(s.directories.getDataHomeDirectory() + subdir, "localhost", s.port, s.logger, s.tracker);
-				ServerManagementTCP smtcp = new ServerManagementTCP(s.directories.getDataHomeDirectory() + subdir, "localhost", s.port, s.logger, s.tracker);
-				Thread tudp = new Thread(smudp);
-				tudp.setName("server UDP P2P-JAVA-PROJECT");
-				tudp.start();
-				Thread ttcp = new Thread(smtcp);
-				ttcp.setName("server TCP P2P-JAVA-PROJECT");
-				ttcp.start();
+			else {
+				if(!testPort.testPortServer(Integer.parseInt(portServer))){
+					System.out.println("Wrong port (7000 -> 7999), using default port 7070");
+					portServer = defaultPortServer;
+				} else {
+					System.out.println("using port : " + portServer);
+				}
 			}
+
+			System.out.println("enter hostname of tracker (default = localhost): ");
+			String hostnameTracker = scanner.nextLine();
+			if(hostnameTracker.equals("")){
+				hostnameTracker = defaultHostname;
+				System.out.println("tracker default hostname : " + hostnameTracker);
+			}	else{
+				System.out.println("tracker hostname : " + hostnameTracker);
+			}
+			System.out.println("enter tracker's port (default = 6969): ");
+			String portTracker = scanner.nextLine();
+			if(portTracker.equals("")){
+				portTracker = defaultPortTracker;
+				System.out.println("using default port : " + portTracker);
+			}
+			else {
+				if(!testPort.testPortTracker(Integer.parseInt(portTracker))){
+					System.out.println("Wrong port (6000 -> 6999), using default port 6969");
+					portTracker = defaultPortTracker;
+				} else {
+					System.out.println("using port : " + portTracker);
+				}
+			}
+
+			ServerP2P s = new ServerP2P(portServer, hostnameTracker, portTracker);
+			ServerManagementUDP smudp = new ServerManagementUDP(s.directories.getDataHomeDirectory() + subdir, hostnameServer, s.port, s.logger, s.tracker);
+			ServerManagementTCP smtcp = new ServerManagementTCP(s.directories.getDataHomeDirectory() + subdir, hostnameServer, s.port, s.logger, s.tracker);
+			Thread tudp = new Thread(smudp);
+			tudp.setName("server UDP P2P-JAVA-PROJECT");
+			tudp.start();
+			Thread ttcp = new Thread(smtcp);
+			ttcp.setName("server TCP P2P-JAVA-PROJECT");
+			ttcp.start();
 	}
 }