diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index ada1306..2ab28c0 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -30,7 +30,7 @@ resource "google_compute_subnetwork" "database" {
 
 # Règle de pare-feu
 resource "google_compute_firewall" "allow_ssh" {
-  name    = "allow-ssh"
+  name    = "allow-ssh-22"
   network = google_compute_network.vpc.id
 
   allow {
@@ -48,27 +48,27 @@ resource "google_compute_firewall" "allow_http" {
 
   allow {
     protocol = "tcp"
-    ports    = ["80, 443"]
+    ports    = ["80", "443"]
   }
 
   source_ranges = ["0.0.0.0/0"]
-  target_tags   = ["web"]
+  target_tags   = ["frontend"]
 }
 
-resource "google_compute_firewall" "allow_front-to-back" {
+resource "google_compute_firewall" "allow_frontend_backend" {
   name    = "allow-front-to-back"
   network = google_compute_network.vpc.id
 
   allow {
     protocol = "tcp"
-    ports    = ["8080"]
+    ports    = ["8000"]
   }
 
-  source_ranges = ["frontend"]
+  source_tags = ["frontend"]
   target_tags   = ["backend"]
 }
 
-resource "google_compute_firewall" "allow_back-to-db" {
+resource "google_compute_firewall" "allow_backend_db" {
   name    = "allow-back-to-db"
   network = google_compute_network.vpc.id
 
@@ -77,6 +77,6 @@ resource "google_compute_firewall" "allow_back-to-db" {
     ports    = ["3306"]
   }
 
-  source_ranges = ["backend"]
+  source_tags = ["backend"]
   target_tags   = ["database"]
 }
\ No newline at end of file