sing-box/docs/configuration/inbound/trojan.md
2022-08-25 13:37:32 +08:00

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### Structure
```json
{
"inbounds": [
{
"type": "trojan",
"tag": "trojan-in",
"listen": "::",
"listen_port": 2080,
"tcp_fast_open": false,
"sniff": false,
"sniff_override_destination": false,
"domain_strategy": "prefer_ipv6",
"proxy_protocol": false,
"users": [
{
"name": "sekai",
"password": "8JCsPssfgS8tiRwiMlhARg=="
}
],
"tls": {},
"fallback": {
"server": "127.0.0.1",
"server_port": 8080
},
"fallback_for_alpn": {
"http/1.1": {
"server": "127.0.0.1",
"server_port": 8081
}
},
"transport": {}
}
]
}
```
### Trojan Fields
#### users
==Required==
Trojan users.
#### tls
TLS configuration, see [TLS](/configuration/shared/tls/#inbound).
#### fallback
!!! error ""
There is no evidence that GFW detects and blocks Trojan servers based on HTTP responses, and opening the standard http/s port on the server is a much bigger signature.
Fallback server configuration. Disabled if `fallback` and `fallback_for_alpn` are empty.
#### fallback_for_alpn
Fallback server configuration for specified ALPN.
If not empty, TLS fallback requests with ALPN not in this table will be rejected.
#### transport
V2Ray Transport configuration, see [V2Ray Transport](/configuration/shared/v2ray-transport).
### Listen Fields
#### listen
==Required==
Listen address.
#### listen_port
==Required==
Listen port.
#### tcp_fast_open
Enable tcp fast open for listener.
#### sniff
Enable sniffing.
See [Protocol Sniff](/configuration/route/sniff/) for details.
#### sniff_override_destination
Override the connection destination address with the sniffed domain.
If the domain name is invalid (like tor), this will not work.
#### domain_strategy
One of `prefer_ipv4` `prefer_ipv6` `ipv4_only` `ipv6_only`.
If set, the requested domain name will be resolved to IP before routing.
If `sniff_override_destination` is in effect, its value will be taken as a fallback.
#### proxy_protocol
Parse [Proxy Protocol](https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt) in the connection header.