sing-box/docs/configuration/outbound/tuic.md

Structure

{
  "type": "tuic",
  "tag": "tuic-out",
  
  "server": "127.0.0.1",
  "server_port": 1080,
  "uuid": "2DD61D93-75D8-4DA4-AC0E-6AECE7EAC365",
  "password": "hello",
  "congestion_control": "cubic",
  "udp_relay_mode": "native",
  "zero_rtt_handshake": false,
  "heartbeat": "10s",
  "network": "tcp",
  "tls": {},
  
  ... // Dial Fields
}

!!! warning ""

QUIC, which is required by TUIC is not included by default, see [Installation](/#installation).

Fields

server

==Required==

The server address.

server_port

==Required==

The server port.

uuid

==Required==

TUIC user uuid

password

TUIC user password

congestion_control

QUIC congestion control algorithm

One of: cubic, new_reno, bbr

cubic is used by default.

udp_relay_mode

UDP packet relay mode

Mode	Description
native	native UDP characteristics
quic	lossless UDP relay using QUIC streams, additional overhead is introduced

native is used by default.

network

Enabled network

One of tcp udp.

Both is enabled by default.

tls

==Required==

TLS configuration, see TLS.

Dial Fields

See Dial Fields for details.