2022-07-08 10:10:39 +00:00
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`direct` inbound is a tunnel server.
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### Structure
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```json
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{
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"inbounds": [
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{
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"type": "direct",
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"tag": "direct-in",
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"listen": "::",
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"listen_port": 5353,
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"tcp_fast_open": false,
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"sniff": false,
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"sniff_override_destination": false,
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"domain_strategy": "prefer_ipv6",
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"udp_timeout": 300,
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"network": "udp",
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"override_address": "1.0.0.1",
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"override_port": 53
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}
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]
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}
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```
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### Listen Fields
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#### listen
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2022-07-09 01:26:50 +00:00
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==Required==
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2022-07-08 10:10:39 +00:00
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Listen address.
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#### listen_port
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2022-07-09 01:26:50 +00:00
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==Required==
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2022-07-08 10:10:39 +00:00
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Listen port.
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#### tcp_fast_open
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Enable tcp fast open for listener.
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#### sniff
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Enable sniffing.
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2022-07-17 07:11:26 +00:00
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See [Sniff](/configuration/route/sniff/) for details.
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2022-07-08 10:10:39 +00:00
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#### sniff_override_destination
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Override the connection destination address with the sniffed domain.
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If the domain name is invalid (like tor), this will not work.
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#### domain_strategy
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One of `prefer_ipv4` `prefer_ipv6` `ipv4_only` `ipv6_only`.
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If set, the requested domain name will be resolved to IP before routing.
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If `sniff_override_destination` is in effect, its value will be taken as a fallback.
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#### udp_timeout
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UDP NAT expiration time in seconds, default is 300 (5 minutes).
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### Direct Fields
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#### network
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Listen network, one of `tcp` `udp`.
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Both if empty.
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#### override_address
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Override the connection destination address.
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#### override_port
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Override the connection destination port.
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