| 123456789101112131415161718 | #!/bin/bashIF_NAME="xfrmi-${PLUTO_IF_ID_IN}"case "${PLUTO_VERB}" in    up-client)        /usr/local/libexec/ipsec/xfrmi -n "${IF_NAME}" -i "${PLUTO_IF_ID_IN}" -d eth0        ip link set "${IF_NAME}" up        ip route add 10.1.0.0/16 dev "${IF_NAME}"        iptables -A FORWARD -i "${IF_NAME}" -j ACCEPT        iptables -A FORWARD -o "${IF_NAME}" -j ACCEPT        ;;    down-client)        iptables -D FORWARD -i "${IF_NAME}" -j ACCEPT        iptables -D FORWARD -o "${IF_NAME}" -j ACCEPT        ip link del "${IF_NAME}"        ;;esac
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