diff --git a/Parseurs_config_Firewall/src/main.py b/Parseurs_config_Firewall/src/main.py
index e9f3532..4738a6d 100644
--- a/Parseurs_config_Firewall/src/main.py
+++ b/Parseurs_config_Firewall/src/main.py
@@ -7,6 +7,22 @@ from scripts.json_Forcepoint import generate_json_forcepoint
 from scripts.export_matrice_flux import export_to_excel as export_flux_to_excel
 from scripts.export_matrice_routage import export_to_excel as export_routing_to_excel
 
+def verify_if_file_exists(name):
+    print("AAAAAAAAAAAAAAAAA")
+    print(name)
+    base, ext = os.path.splitext(name)
+    counter = 1
+    print("BBBBBBBBBBBBBBB")
+    print(base)
+    new_name = name
+    print("CCCCCCCCCCCCCCC")
+    print(new_name)
+    while os.path.exists(new_name):
+        new_name = f"{base}_{counter}{ext}"
+        counter += 1
+    return new_name
+
+
 def main():
     if len(sys.argv) < 3:
         print("Usage: python3 src/main.py <firewall_type>[paloalto|stormshield|forcepoint] <input_directory/file> [-o <output_file>] [-f] [-r]")
@@ -21,6 +37,7 @@ def main():
     input_data = sys.argv[2]
     input_path = "src/input/"
     output_path = "src/output/"
+    os.makedirs(output_path, exist_ok=True)
     if "-o" in sys.argv:
         o_index = sys.argv.index("-o")
         if o_index + 1 < len(sys.argv):
@@ -31,7 +48,7 @@ def main():
     else:
         timestamp = time.strftime("%Y%m%d")
         output_file_json = f"{output_path}{firewall_type}_{timestamp}.json"
-    os.makedirs(output_path, exist_ok=True)
+    output_file_json = verify_if_file_exists(output_file_json)
 
     if firewall_type == "paloalto":
         generate_json_paloalto(input_data, output_file_json)
@@ -55,7 +72,7 @@ def main():
         else:
             timestamp = time.strftime("%Y%m%d")
             output_file_excel = f"{output_path}matrice_flux_{firewall_type}_{timestamp}.xlsx"
-
+        output_file_excel = verify_if_file_exists(output_file_excel)
         excel_file = export_flux_to_excel(output_file_json, output_file_excel)
         print(f"✓ Processus terminé. Fichiers générés:\n   - JSON: {output_file_json}\n   - Excel: {excel_file}")
 
@@ -71,7 +88,7 @@ def main():
         else:
             timestamp = time.strftime("%Y%m%d")
             output_file_excel = f"{output_path}matrice_routage_{firewall_type}_{timestamp}.xlsx"
-
+        output_file_excel = verify_if_file_exists(output_file_excel)
         excel_file = export_routing_to_excel(output_file_json, output_file_excel)
         print(f"✓ Processus terminé. Fichiers générés:\n   - JSON: {output_file_json}\n   - Excel: {excel_file}")
 
diff --git a/gui_firewall.py b/gui_firewall.py
index 505520b..3cb00fc 100644
--- a/gui_firewall.py
+++ b/gui_firewall.py
@@ -76,7 +76,7 @@ def open_firewall_gui_multi(app, OUTPUT_DIR, HELP_FILE_FW, FIREWALL_DIR, FIREWAL
     app2 = tk.Toplevel(app)
     app2.title("Analyse Configuration Firewall - Plusieurs firewall")
     app2.geometry("800x450")
-    app2.resizable(False, False)
+    app2.resizable(True, True)
 
     matrice_flux = tk.BooleanVar()
     matrice_routage = tk.BooleanVar()
@@ -159,6 +159,13 @@ def open_firewall_gui_multi(app, OUTPUT_DIR, HELP_FILE_FW, FIREWALL_DIR, FIREWAL
                     if matrice_routage.get():
                         cmd.append("-r")
 
+                    cmd.append("-o")
+                    if item["type"] == "file":
+                        base_name = os.path.splitext(item["name"])[0]
+                        cmd.append(base_name)
+                    else:
+                        cmd.append(item["name"])
+
                     print("Commande exécutée :", " ".join(cmd))
                     subprocess.run(cmd, cwd=FIREWALL_DIR, check=True)
 
@@ -412,7 +419,7 @@ def open_firewall_gui(root, BASE_DIR):
     app = tk.Toplevel(root)
     app.title("Analyse Configuration Firewall")
     app.geometry("800x450")
-    app.resizable(False, False)
+    app.resizable(True, True)
 
     firewall_var = tk.StringVar()
     input_var = tk.StringVar()