diff --git a/templates/rules.erb b/templates/rules.erb
index 23283ce..bc5bce1 100644
--- a/templates/rules.erb
+++ b/templates/rules.erb
@@ -11,8 +11,7 @@
 # SSH from anywhere
 -A openstack-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
 # SNMP from openstack cacti
--A openstack-INPUT -m udp -p udp --dport 161 -s 50.57.120.246 -j ACCEPT
--A openstack-INPUT -m udp -p udp --dport 161 -s 198.61.215.188 -j ACCEPT
+-A openstack-INPUT -m udp -p udp --dport 161 -s 104.239.135.208 -j ACCEPT
 # Public TCP ports
 <% @public_tcp_ports.each do |port| -%>
 -A openstack-INPUT -m state --state NEW -m tcp -p tcp --dport <%= port %> -j ACCEPT