butterflyd/butterflyd.json

{
    "listeners" : {
        "enabled" : ["listener1"],
        "listener1" : {
            "type" : "ipv4",
            "domain" : "10.1.0.4:6969",
            "address" : "0.0.0.0",
            "port" : "6969"
        },
        "listener2" : {
            "type" : "ipv6",
            "domain" : "10.0.0.9:2222",
            "address" : "::",
            "port" : "6969"
        }
    }
}