diff --git a/group_vars/infra/firewall.yml b/group_vars/infra/firewall.yml
index 43fa1aa..a1386bc 100644
--- a/group_vars/infra/firewall.yml
+++ b/group_vars/infra/firewall.yml
@@ -111,6 +111,11 @@ firewall__input:
       tcp:
         dport: 9100
     verdict: accept
+  - src: monit
+    protocols:
+      tcp:
+        dport: 9324
+    verdict: accept
   - protocols:
       icmp: true
     verdict: accept