2026-07-16 21:35:01 +08:00
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!!! quote "Changes in sing-box 1.14.0"
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:material-plus: [udp_mapping](/configuration/shared/udp-nat/#udp_mapping)
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:material-plus: [udp_filtering](/configuration/shared/udp-nat/#udp_filtering)
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:material-plus: [udp_nat_max](/configuration/shared/udp-nat/#udp_nat_max)
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2023-11-09 17:04:08 +08:00
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!!! quote ""
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2022-08-31 14:33:52 +08:00
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Only supported on Linux.
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2022-07-15 08:42:02 +08:00
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### Structure
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```json
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{
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2022-08-31 12:50:26 +08:00
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"type": "tproxy",
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"tag": "tproxy-in",
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2022-07-15 08:42:02 +08:00
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2022-08-31 12:50:26 +08:00
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... // Listen Fields
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2022-08-23 23:15:56 +08:00
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2026-07-16 21:35:01 +08:00
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"network": "udp",
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... // UDP NAT Fields
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2022-08-31 12:50:26 +08:00
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}
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```
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2022-08-23 23:15:56 +08:00
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2022-07-15 08:42:02 +08:00
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### Listen Fields
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2023-12-14 22:23:52 +08:00
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See [Listen Fields](/configuration/shared/listen/) for details.
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2022-07-15 08:42:02 +08:00
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2022-08-31 12:50:26 +08:00
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### Fields
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2022-07-15 08:42:02 +08:00
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2022-08-31 12:50:26 +08:00
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#### network
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2022-07-15 08:42:02 +08:00
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2022-08-31 12:50:26 +08:00
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Listen network, one of `tcp` `udp`.
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2022-07-15 08:42:02 +08:00
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2022-08-31 12:50:26 +08:00
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Both if empty.
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2026-07-16 21:35:01 +08:00
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### UDP NAT Fields
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See [UDP NAT Fields](/configuration/shared/udp-nat/) for details.
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