Chapter 15
1: | Why should you not assume that all “quiet” users are well-behaved citizens of your environment? |
A1: | One of the goals of hackers is for their actions to go unnoticed. A quiet user could potentially be a hacker who is working his or her way into your system. |
2: | What kind of malicious activity would a sudden increase in disk usage indicate? |
A2: | A sudden increase in disk usage might indicate the presence of warez, or pirated software. |
3: | Would you use the wall command or email to announce a system shutdown that is taking place in 5 minutes? |
A3: | You should use the wall command to announce a system shutdown that is taking place in 5 minutes. wall broadcasts a message to the terminals of users logged into a system, forcing users to read your ... |
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