该定义听起来像是数据库管理系统中的一个事务性机理，如果它没有正常运行的话该步骤可以返回。
This definition sounds like that of a transactional mechanism in a database management system, in which a step can be rolled back if it is not performed correctly.
进行系统加固应该采取的首要步骤之一是降低其受攻击面：机器上运行的代码越多，代码被利用的机会更越大。
One of the first steps you should take when hardening a machine is to reduce its attack surface. The more code that's running on a machine, the greater the chance that the code will be exploitable.
在完成安装之后，您需要采取几个步骤，确保 Snort 可在系统上正常运行。
There are several steps you need to take after your installation is complete to make sure Snort is running on your system and is behaving properly.
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