{
"outbounds": [
{
"tag":"IP4-out", 
"protocol": "freedom",
"settings": {}
},
{
"tag":"IP6-out",
"protocol": "freedom",
"settings": {
"domainStrategy": "UseIPv6" 
}
}
],
"routing": {
"rules": [
{
"type": "field",
"outboundTag": "IP6-out",
"domain": [""] 
},
{
"type": "field",
"outboundTag": "IP4-out",
"network": "udp,tcp" 
}
]
}
}