network/salt/firewall/mgmt-gw.sh

14 lines
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#!/bin/sh
if [ "$IFACE" = "{{ interface }}" ]; then
iptables -F FORWARD
iptables -P FORWARD REJECT
iptables -A FORWARD -m state --state ESTABLISHED -j ACCEPT
# DNS
iptables -A FORWARD -i $IFACE -p udp --dport 53 -j ACCEPT
# NTP
iptables -A FORWARD -i $IFACE -p udp --dport 123 -j ACCEPT
# collectd
iptables -A FORWARD -i $IFACE -p udp --dport 25826 -j ACCEPT
fi