(The Internet has become more insecure in recent years. Network traffic is increasing day by day, and an increasing number of primary transactions are ending over the network, while the risk of data corruption, interception and modification is also increasing. ?As long as there is a tool worth stealing, there will be people who will find a way to steal it. The Internet is more true today than ever before, and Linux-based systems cannot escape this "universal law" and remain immune to it. Therefore, an excellent system should have complete security measures, and should be stable and able to resist the invasion from the Internet. This is the primary reason why Linux prevails and becomes the backbone of the Internet. However, if you don't use Linux's security tools natively, they can actually create risks. A poorly configured security system can create many problems, and this article will explain the essential Linux security knowledge for you. ? This article describes how to make a Linux system reliable through basic security measures.)
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