TecMint published 43 CentOS server hardening security tips.
20 CentOS Server Hardening Security Tips - Part 1
This tutorial only covers general security tips for CentOS 8/7 which can be used to harden the system. The checklist tips are intended to be used mostly on various types of bare-metal servers or on machines (physical or virtual) that provide network services.
However, some of the tips can be successfully applied to general-purpose machines too, such as Desktops, Laptops, and card-sized single-board computers (Raspberry Pi).
20 CentOS Server Hardening Security Tips - Part 1
23 CentOS Server Hardening Security Tips - Part 2
Continuing the previous tutorial on How to Secure and Harden CentOS server, in this article, we’ll discuss other security tips that will be presented on the below checklist.
23 CentOS Server Hardening Security Tips - Part 2