https://blog.clarence.tw/2022/07/17/%e4%bd%bf%e7%94%a8-curl-%e6%8c%87%e4%bb%a4%e7%99%bb%e5%85%a5%e8%88%87%e4%b8%8a%e5%82%b3%e6%aa%94%e6%a1%88%e5%88%b0-ftps-%e4%bc%ba%e6%9c%8d%e5%99%a8/