OpenSSH升级漏洞教程
https://www.cnblogs.com/java5wanping/p/17595775.html

解决了TELNET无法远程登录的问题https://blog.csdn.net/qq_41468443/article/details/122941586

下载Openssl
https://mirrors.tuna.tsinghua.edu.cn/pub/OpenBSD/OpenSSH/portable/

其他参考
https://blog.csdn.net/szw906689771/article/details/121678804