diff --git a/roles/firewall/templates/firewall.j2 b/roles/firewall/templates/firewall.j2
index 7d516c3..a0acb32 100644
--- a/roles/firewall/templates/firewall.j2
+++ b/roles/firewall/templates/firewall.j2
@@ -428,6 +428,18 @@ config rule
 	option target 'ACCEPT'
 	option family 'ipv4'
 
+config rule
+	option name 'Allow-FORWARD-Munin-Mikrotik'
+	option src 'dmz'
+	option src_ip '{{ hostvars['munin.dmz.mateu.be']['ansible_default_ipv4']['address'] }}'
+	list proto 'tcp'
+	list proto 'udp'
+	option dest 'lan'
+	option dest_ip '{{ lookup('dig', 'garreg-mach.mateu.be') }}'
+	option dest_port '161'
+	option target 'ACCEPT'
+	option family 'ipv4'
+
 ## Default configuration
 config defaults
 	option syn_flood '1'