19.5. Security and Troubleshooting

Hardening is the process of reducing or eliminating weaknesses, securing services, and attempting to make your environment immune to attacks. Typically, when you install operating systems, applications, and network products, the defaults from the manufacturer are to make the product as simple to use as possible and allow it to work with your existing environment as effortlessly as possible. That isn't always the best scenario when it comes to security.

You want to make certain that your systems, and the data within them, are kept as secure as possible. The security prevents others from changing the data, destroying it, or inadvertently harming it. This can be done by assigning users the least privileges possible ...

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