126 lines
1.8 KiB
Markdown
126 lines
1.8 KiB
Markdown
---
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icon: material/new-box
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---
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!!! question "Since sing-box 1.14.0"
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### Structure
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```json
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{
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"type": "snell",
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"tag": "snell-out",
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"server": "127.0.0.1",
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"server_port": 1080,
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"version": 4,
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"psk": "password",
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"userkey": "",
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"reuse": false,
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"network": "tcp",
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"obfs_mode": "",
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"obfs_host": "",
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... // Dial Fields
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}
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```
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### Version 6 Structure
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```json
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{
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"type": "snell",
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"tag": "snell-out",
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"server": "127.0.0.1",
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"server_port": 1080,
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"version": 6,
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"psk": "password",
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"userkey": "",
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"reuse": false,
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"network": "tcp",
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"mode": "",
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... // Dial Fields
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}
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```
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### Fields
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#### server
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==Required==
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The server address.
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#### server_port
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==Required==
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The server port.
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#### version
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==Required==
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The Snell protocol version, one of `4` `6`.
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Version `4` supports HTTP obfuscation (`obfs_mode` / `obfs_host`); version `6`
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replaces it with traffic shaping (`mode`) and requires a `psk` of 12 to 255
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bytes.
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!!! note
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Since we intentionally do not support the QUIC proxy mode of Snell v5, the v5 wire protocol
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is effectively identical to v4, so no separate v4 server or v5 client is provided.
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#### psk
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==Required==
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The pre-shared key.
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#### userkey
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The user key, used to authenticate against a multi-user server.
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#### reuse
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Enable connection reuse (the Snell v2 `CONNECT` command).
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#### network
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Enabled network
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One of `tcp` `udp`.
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Both is enabled by default.
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#### obfs_mode
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==Version 4 only==
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HTTP obfuscation mode, one of `none` `http`.
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`none` is used by default.
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#### obfs_host
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==Version 4 only==
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The HTTP `Host` header sent when `obfs_mode` is `http`.
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`bing.com` is used by default.
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#### mode
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==Version 6 only==
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Traffic shaping mode, one of `default` `unshaped` `unsafe-raw`.
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`default` is used by default.
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### Dial Fields
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See [Dial Fields](/configuration/shared/dial/) for details.
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