diff --git a/clusters/k8s01/monitoring/ingress.yaml b/clusters/k8s01/monitoring/ingress.yaml
index 17681e5e95df0f3b1f728f320429c403c1d45906..22ab51cc934f47313866943cc91bc361d258955c 100644
--- a/clusters/k8s01/monitoring/ingress.yaml
+++ b/clusters/k8s01/monitoring/ingress.yaml
@@ -7,6 +7,7 @@ metadata:
         nginx.ingress.kubernetes.io/auth-response-headers: Authorization
         nginx.ingress.kubernetes.io/auth-url: https://$host/oauth2/auth
         nginx.ingress.kubernetes.io/auth-signin: https://$host/oauth2/start?rd=$escaped_request_uri
+        nginx.ingress.kubernetes.io/whitelist-source-range: 10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,100.64.0.0/24
 spec:
     rules:
         - host: ENC[AES256_GCM,data:k1mCBDKYvRLLC489r7yvk9PRDsQh5IgUpOaOfdhpQCwUNN8=,iv:AuBQnC2duZJM5/aYASq6gcovFPhECGk9EWjMaBgeRzQ=,tag:VdMb/Rn54dWpbDjxbEjPvA==,type:str]