# Allow access from GREEN
iptables -A POLICYIN -i "${GREEN_DEV}" -j ACCEPT
+# Allow access from BLUE
+if [ "${HAVE_BLUE}" = "true" ] && [ -n "${BLUE_DEV}" ]; then
+ iptables -A POLICYIN -i "${BLUE_DEV}" -j ACCEPT
+fi
+
# IPsec INPUT
case "${HAVE_IPSEC},${POLICY}" in
true,MODE1) ;;