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Tproxy

docs/configuration/inbound/tproxy.md

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!!! quote "Changes in sing-box 1.14.0"

:material-plus: [udp_mapping](/configuration/shared/udp-nat/#udp_mapping)  
:material-plus: [udp_filtering](/configuration/shared/udp-nat/#udp_filtering)  
:material-plus: [udp_nat_max](/configuration/shared/udp-nat/#udp_nat_max)

!!! quote ""

Only supported on Linux.

Structure

json
{
  "type": "tproxy",
  "tag": "tproxy-in",

  ... // Listen Fields

  "network": "udp",

  ... // UDP NAT Fields
}

Listen Fields

See Listen Fields for details.

Fields

network

Listen network, one of tcp udp.

Both if empty.

UDP NAT Fields

See UDP NAT Fields for details.