sing-box/docs/configuration/inbound/hysteria2.md
2024-11-29 11:03:58 +08:00

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---
icon: material/alert-decagram
---
!!! quote "Changes in sing-box 1.11.0"
:material-alert: [masquerade](#masquerade)
### Structure
```json
{
"type": "hysteria2",
"tag": "hy2-in",
... // Listen Fields
"up_mbps": 100,
"down_mbps": 100,
"obfs": {
"type": "salamander",
"password": "cry_me_a_r1ver"
},
"users": [
{
"name": "tobyxdd",
"password": "goofy_ahh_password"
}
],
"ignore_client_bandwidth": false,
"tls": {},
"masquerade": "", // or {}
"brutal_debug": false
}
```
!!! warning "Difference from official Hysteria2"
The official program supports an authentication method called **userpass**,
which essentially uses a combination of `<username>:<password>` as the actual password,
while sing-box does not provide this alias.
To use sing-box with the official program, you need to fill in that combination as the actual password.
### Listen Fields
See [Listen Fields](/configuration/shared/listen/) for details.
### Fields
#### up_mbps, down_mbps
Max bandwidth, in Mbps.
Not limited if empty.
Conflict with `ignore_client_bandwidth`.
#### obfs.type
QUIC traffic obfuscator type, only available with `salamander`.
Disabled if empty.
#### obfs.password
QUIC traffic obfuscator password.
#### users
Hysteria2 users
#### users.password
Authentication password
#### ignore_client_bandwidth
Commands the client to use the BBR flow control algorithm instead of Hysteria CC.
Conflict with `up_mbps` and `down_mbps`.
#### tls
==Required==
TLS configuration, see [TLS](/configuration/shared/tls/#inbound).
#### masquerade
HTTP3 server behavior (URL string configuration) when authentication fails.
| Scheme | Example | Description |
|--------------|-------------------------|--------------------|
| `file` | `file:///var/www` | As a file server |
| `http/https` | `http://127.0.0.1:8080` | As a reverse proxy |
Conflict with `masquerade.type`.
A 404 page will be returned if masquerade is not configured.
#### masquerade.type
HTTP3 server behavior (Object configuration) when authentication fails.
| Type | Description | Fields |
|----------|-----------------------------|-------------------------------------|
| `file` | As a file server | `directory` |
| `proxy` | As a reverse proxy | `url`, `rewrite_host` |
| `string` | Reply with a fixed response | `status_code`, `headers`, `content` |
Conflict with `masquerade`.
A 404 page will be returned if masquerade is not configured.
#### masquerade.directory
File server root directory.
#### masquerade.url
Reverse proxy target URL.
#### masquerade.rewrite_host
Rewrite the `Host` header to the target URL.
#### masquerade.status_code
Fixed response status code.
#### masquerade.headers
Fixed response headers.
#### masquerade.content
Fixed response content.
#### brutal_debug
Enable debug information logging for Hysteria Brutal CC.