Security:
- Gossip protocol encryption
- Built-in ACL
- Consul agent communication
- mTLS for authentitication and encryption
- Certificate authority


  "acl": {
    "enabled": true,
{% if not consul_acl_bootstraped %}
    "default_policy": "allow",
{% else %}
    "default_policy": "deny",
    "tokens": {
      "agent": "FIXME"
    },
{% endif %}
    "down_policy": "extend-cache"
  },


FIXME:
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: The 'ca_file' field is deprecated. Use the 'tls.defaults.ca_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: The 'cert_file' field is deprecated. Use the 'tls.defaults.cert_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: The 'key_file' field is deprecated. Use the 'tls.defaults.key_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: The 'verify_incoming' field is deprecated. Use the 'tls.defaults.verify_incoming' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: The 'verify_outgoing' field is deprecated. Use the 'tls.defaults.verify_outgoing' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: The 'verify_server_hostname' field is deprecated. Use the 'tls.internal_rpc.verify_server_hostname' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: The 'ui' field is deprecated. Use the 'ui_config.enabled' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.976+0300 [WARN]  agent: bootstrap_expect > 0: expecting 3 servers
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: The 'ca_file' field is deprecated. Use the 'tls.defaults.ca_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: The 'cert_file' field is deprecated. Use the 'tls.defaults.cert_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: The 'key_file' field is deprecated. Use the 'tls.defaults.key_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: The 'verify_incoming' field is deprecated. Use the 'tls.defaults.verify_incoming' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: The 'verify_outgoing' field is deprecated. Use the 'tls.defaults.verify_outgoing' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: The 'verify_server_hostname' field is deprecated. Use the 'tls.internal_rpc.verify_server_hostname' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: The 'ui' field is deprecated. Use the 'ui_config.enabled' field instead.
Jan 20 14:00:20 waf1 consul[3863]: agent.auto_config: The 'ca_file' field is deprecated. Use the 'tls.defaults.ca_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: 2026-01-20T14:00:20.983+0300 [WARN]  agent.auto_config: bootstrap_expect > 0: expecting 3 servers
Jan 20 14:00:20 waf1 consul[3863]: agent.auto_config: The 'cert_file' field is deprecated. Use the 'tls.defaults.cert_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: agent.auto_config: The 'key_file' field is deprecated. Use the 'tls.defaults.key_file' field instead.
Jan 20 14:00:20 waf1 consul[3863]: agent.auto_config: The 'verify_incoming' field is deprecated. Use the 'tls.defaults.verify_incoming' field instead.
Jan 20 14:00:20 waf1 consul[3863]: agent.auto_config: The 'verify_outgoing' field is deprecated. Use the 'tls.defaults.verify_outgoing' field instead.
Jan 20 14:00:20 waf1 consul[3863]: agent.auto_config: The 'verify_server_hostname' field is deprecated. Use the 'tls.internal_rpc.verify_server_hostname' field instead.
Jan 20 14:00:20 waf1 consul[3863]: agent.auto_config: The 'ui' field is deprecated. Use the 'ui_config.enabled' field instead.