diff --git a/manifests/blog-app/authorization-policies.yaml b/manifests/blog-app/authorization-policies.yaml
new file mode 100644
index 0000000..5589ab0
--- /dev/null
+++ b/manifests/blog-app/authorization-policies.yaml
@@ -0,0 +1,95 @@
+# This manifest file is responsible for the communication allowances between services deployed in blog-app namespace.
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: posts
+  namespace: blog-app
+spec:
+  selector:
+    matchLabels:
+      app: posts
+  action: ALLOW
+  rules:
+  - from:
+    - source:
+        matchLabels:
+          app: frontend
+        # principals: ["cluster.local/ns/blog-app/sa/frontend"]
+---
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: reviews
+  namespace: blog-app
+spec:
+  selector:
+    matchLabels:
+      app: reviews
+  # Any traffic that does not match the ALLOW rules will be denied by default
+  action: ALLOW
+  rules:
+  - from:
+    - source:
+        matchLabels:
+          app: frontend
+        # principals: ["cluster.local/ns/blog-app/sa/frontend"]
+---
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: users
+  namespace: blog-app
+spec:
+  selector:
+    matchLabels:
+      app: users
+  action: ALLOW
+  rules:
+  - from:
+    - source:
+        matchLabels:
+          app: frontend
+        # principals: ["cluster.local/ns/blog-app/sa/frontend"]
+---
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: ratings
+  namespace: blog-app
+spec:
+  selector:
+    matchLabels:
+      app: ratings
+  action: ALLOW
+  rules:
+  - from:
+    - source:
+        matchLabels:
+          app: reviews
+        # principals: ["cluster.local/ns/blog-app/sa/reviews"]
+---
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: mongodb
+  namespace: blog-app
+spec:
+  selector:
+    matchLabels:
+      app: mongodb
+  action: ALLOW
+  rules:
+  - from:
+    - source:
+        matchLabels:
+          app: posts
+    - source:
+        matchLabels:
+          app: reviews
+    - source:
+        matchLabels:
+          app: ratings
+    - source:
+        matchLabels:
+          app: users
+        # principals: ["cluster.local/ns/blog-app/sa/posts", "cluster.local/ns/blog-app/sa/reviews", "cluster.local/ns/blog-app/sa/ratings", "cluster.local/ns/blog-app/sa/users"]