diff --git a/group_vars/munin.yml b/group_vars/munin.yml
index 1c7de95..c6c7200 100644
--- a/group_vars/munin.yml
+++ b/group_vars/munin.yml
@@ -1,8 +1,12 @@
 ---
 
+# more cpu to create graphs
+num_cpus: 4
+
 datadisks:
   - 10
 
 firewall_in:
   - {proto: tcp, port: 22, from: [172.20.20.0/22]}
   - {proto: tcp, port: 443, from: [172.20.20.0/22]}
+  - {proto: tcp, port: 4949, from: [172.20.20.0/22]}