Simple tcp/udp 4-layer forwarding
simple config.toml
[logging]
level = "info"
output = "stdout"
[defaults]
max_connections = 0
client_idle_timeout = "0"
backend_idle_timeout = "0"
backend_connection_timeout = "0"
[servers]
[servers.sample]
protocol = "tcp"
bind = "localhost:3000"
upstream = [
"localhost:8000",
"localhost:8001"
]
[servers.dns]
protocol = "udp"
bind = "localhost:53"
balance = "roundrobin"
upstream = [
"8.8.8.8:53",
"8.8.4.4:53"
]