Tailcat

!!! question "Since sing-box 1.15.0"

Structure

{
  "type": "tailcat",
  "tag": "tailcat-out",

  "private_key": "",
  "server_public_key": "",
  "server_disco_key": "",
  "pre_shared_key": "",
  "derp_map_url": "",
  "derp_region": 0,
  "derp_servers": [],
  "http_client": {},

  ... // Dial Fields
}

Fields

private_key

Private key.

A random key is used by default.

Required when the server verifies clients with users, or the DERP server verifies clients with verify_client_inbound or verify_client_key.

server_public_key

==Required==

Server public key.

server_disco_key

==Required==

Server disco public key.

pre_shared_key

Pre-shared key.

derp_map_url

URL of the DERP map.

https://tailcat.dev/derpmap.json is used by default.

derp_region

DERP region ID in the DERP map.

Conflicts with derp_servers.

derp_servers

Custom DERP servers, see derp_servers in Tailcat inbound.

Conflicts with derp_map_url and derp_region.

http_client

HTTP client used to fetch the DERP map.

See HTTP Client for details.

Dial Fields

!!! note

Dial Fields in Tailcat outbounds only control how it connects to DERP servers and have nothing to do with actual connections.

See Dial Fields for details.