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Configuration reference
Headscale will look for a configuration file named config.yaml (or config.json) in the following order:
/etc/headscale~/.headscale- current working directory
server_url: http://headscale.mydomain.net
listen_addr: 0.0.0.0:8080
ip_prefix: 100.64.0.0/10
disable_check_updates: false
server_url is the external URL via which Headscale is reachable. listen_addr is the IP address and port the Headscale program should listen on. ip_prefix is the IP prefix (range) in which IP addresses for nodes will be allocated (default 100.64.0.0/10, e.g., 192.168.4.0/24, 10.0.0.0/8). disable_check_updates disables the automatic check for updates.
log_level: debug
log_level can be used to set the Log level for Headscale, it defaults to debug, and the available levels are: trace, debug, info, warn and error.
derp_map_path: derp.yaml
derp_map_path is the path to the DERP map file. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from.
ephemeral_node_inactivity_timeout: "30m"
ephemeral_node_inactivity_timeout is the timeout after which inactive ephemeral node records will be deleted from the database. The default is 30 minutes. This value must be higher than 65 seconds (the keepalive timeout for the HTTP long poll is 60 seconds, plus a few seconds to avoid race conditions).
PostgresSQL
db_host: localhost
db_port: 5432
db_name: headscale
db_user: foo
db_pass: bar
SQLite
db_type: sqlite3
db_path: db.sqlite
The fields starting with db_ are used for the DB connection information.
TLS configuration
Please check TLS.md.
DNS configuration
Please refer to DNS.md.
Policy ACLs
Headscale implements the same policy ACLs as Tailscale.com, adapted to the self-hosted environment.
For instance, instead of referring to users when defining groups you must use namespaces (which are the equivalent to user/logins in Tailscale.com).
Please check https://tailscale.com/kb/1018/acls/, and ./tests/acls/ in this repo for working examples.
Apple devices
An endpoint with information on how to connect your Apple devices (currently macOS only) is available at /apple on your running instance.