# sudo /usr/sbin/sshd如下报错：Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key Missing privile
ssh别的机器提示：/etc/crypto-policies/back-ends/openssh.config: line 3: Bad configuration option: gssapikexalgorithms /etc/crypto-policies/back-ends/openssh.config: terminating, 1 bad configuration options l
近期发现openssh漏洞，于是升级openssh，通过源码编译安装的方式，一切都很顺利，但是在重启sshd服务时，就提示Bad configuration option: GSSAPIKexAlgorithms首先查看/etc/ssh/sshd_config，把文件中关于GSSAPIKexAlgorithms 的行都注释掉了，重启还是一样，然后在/etc/crypto-policies/back
Windows 自动更新在通过防火墙时，需要能访问以下网站： http://*.download.windowsupdate.com http://*.windowsupdate.com http://download.windowsupdate.com http://*.windowsupdate.microsoft.com http://*.update.microsoft.com