diff --git a/salt/firewall/mgmt-gw.sh b/salt/firewall/mgmt-gw.sh
index be3c9f7..c247a3f 100644
--- a/salt/firewall/mgmt-gw.sh
+++ b/salt/firewall/mgmt-gw.sh
@@ -19,6 +19,8 @@ ip6tables -A FORWARD -i $IFACE -p udp --dport 25826 -j ACCEPT
 # downloads.lede-project.org
 iptables -A FORWARD -i $IFACE --dest 148.251.78.235 -j ACCEPT
 ip6tables -A FORWARD -i $IFACE --dest 2a01:4f8:202:43ea::3 -j ACCEPT
+# radius.hq.c3d2.de
+iptables -A FORWARD -i $IFACE --dest 172.22.99.22 -j ACCEPT
 # Deny by default
 iptables -A FORWARD -j REJECT
 ip6tables -A FORWARD -j REJECT