What is hardening process in Linux?

In computing, hardening is usually the process of securing a system by reducing its surface of vulnerability, which is larger when a system performs more functions; in principle a single-function system is more secure than a multipurpose one. … There are various methods of hardening Unix and Linux systems.

What are the steps followed for server hardening?

Here we look at 5 ways you can carry out simple hardening of your servers.

• Keep Your Servers’ Operating Systems Updated. …
• Enforce The Use Of Strong Passwords. …
• Update or Remove Third Party Software. …
• Leverage Local Protection Mechanisms – Fire-walling & Anti-Virus. …
• Advanced Configuration Hardening.