查看“Linux安全及服务器安全”的源代码

=账户和登录安全=
==删除特殊的用户和用户组==
==关闭不要的服务 ==
sendmail telnet

== 密码安全==
用key  不用直接root  use sudo -i 
== 删减系统登录欢迎信息==

=远程访问和认证安全=
== 远程登录取消telnet 只用ssh==
==启用tcp_wrappers ==

== ==

== ==

==非root 运行服务==
eg redis

= Fail2Ban=
[https://zhuanlan.zhihu.com/p/33546122 如何在 Linux 上用 Fail2Ban 保护服务器免受暴力攻击]

=firewall=

=ssh=
[[Openssh安全性配置]]

= =

=deny root =



=see also=
[https://www.ibm.com/developerworks/cn/linux/security/l-ossec/part3/index.html 系统安全工具介绍]

[https://blog.csdn.net/kwame211/article/details/77100280 Linux系统安全加固设置详细教程]

[https://www.cnblogs.com/sun-sunshine123/p/7119472.html Linux系统安全配置基线]

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