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Fixed firewall rules for inbound/outbound scenarios

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bfg100k 2022-07-29 18:07:34 +10:00 committed by GitHub
parent 6157fcb49b
commit 4b154771fd
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1 changed files with 2 additions and 0 deletions
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scripts/entrypoint-router.sh
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@ -66,6 +66,7 @@ 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
done
@ -74,6 +75,7 @@ update_iptables() {
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
done