https://blog.wongcw.com/2020/07/01/putty-v0-74-%e6%ad%a3%e5%bc%8f%e7%89%88%e7%99%bc%e5%b8%83%e9%99%84%e4%b8%8b%e8%bc%89-%e5%85%8d%e8%b2%bb%e7%9a%84ssh-telnet%e7%a8%8b%e5%ba%8f/