src/developer/ffx/plugins/repository/data/config.json

{
    "repository": {
        "process_dir": "$SHARED_DATA/repos/server_info",
        "background_startup_timeout": 60,
        "ota_port": 0,
        "server": {
            "enabled": false,
            "listen": "[::]:8083",
            "mode": "ffx",
            "default_port": "8083"
        }
    }
}