1.HTTP 严格传输安全 nginx配置
add_header Strict-Transport-Security “max-age=63072000; includeSubdomains; preload”;
2.openssh中传输数据加密算法
进入：vi /etc/ssh/sshd_config
添加：
Ciphers chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
刷新sshd_config
systemctl restart sshd
