citadel/meta-citadel/recipes-citadel/bbappends/iptables/iptables.rules

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*filter
:INPUT DROP [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT DROP [0:0]
-A INPUT -m state --state ESTABLISHED -j ACCEPT
-A OUTPUT -p udp -m udp --sport 68 --dport 67 -j ACCEPT
-A OUTPUT -p udp -m owner --uid-owner systemd-timesync -j ACCEPT
-A OUTPUT -j LOG --log-uid --log-prefix 'iptables'
COMMIT