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fixed inbound / outbound drop rule order

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bfg100k 2022-07-30 14:05:09 +10:00 committed by GitHub
parent 4b154771fd
commit a130232f3e
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1 changed files with 2 additions and 2 deletions
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4
scripts/entrypoint-router.sh
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@ -66,18 +66,18 @@ update_iptables() {
echo "$2 ${IPTABLES_CMD} rules for inbound traffic (ZeroTier to local interfaces ${PHY_IFACES})"
for PHY_IFACE in ${PHY_IFACES} ; do
${IPTABLES_CMD} -t nat -${1} POSTROUTING -o ${PHY_IFACE} -j MASQUERADE
${IPTABLES_CMD} -${1} FORWARD -i ${PHY_IFACE} -o ${ZT_IFACE} -j DROP
${IPTABLES_CMD} -${1} FORWARD -i ${PHY_IFACE} -o ${ZT_IFACE} -m state --state RELATED,ESTABLISHED -j ACCEPT
${IPTABLES_CMD} -${1} FORWARD -i ${ZT_IFACE} -o ${PHY_IFACE} -j ACCEPT
${IPTABLES_CMD} -${1} FORWARD -i ${PHY_IFACE} -o ${ZT_IFACE} -j DROP
done
;;
"outbound" )
echo "$2 ${IPTABLES_CMD} rules for outbound traffic (local interfaces ${PHY_IFACES} to ZeroTier)"
${IPTABLES_CMD} -t nat -${1} POSTROUTING -o ${ZT_IFACE} -j MASQUERADE
for PHY_IFACE in ${PHY_IFACES} ; do
${IPTABLES_CMD} -${1} FORWARD -i ${ZT_IFACE} -o ${PHY_IFACE} -j DROP
${IPTABLES_CMD} -${1} FORWARD -i ${ZT_IFACE} -o ${PHY_IFACE} -m state --state RELATED,ESTABLISHED -j ACCEPT
${IPTABLES_CMD} -${1} FORWARD -i ${PHY_IFACE} -o ${ZT_IFACE} -j ACCEPT
${IPTABLES_CMD} -${1} FORWARD -i ${ZT_IFACE} -o ${PHY_IFACE} -j DROP
done
;;
"both" )