修改openssh版本号屏蔽漏扫探测

yum -y  --disablerepo='*' localinstall openssh-*
systemctl daemon-reload
systemctl enable sshd
systemctl restart sshd

#提示安装失败时，卸载旧版本
rpm -qa|grep openssh|xargs rpm -e --noscripts --nodeps
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