In this chapter, we will discuss the issues related to the security of CentOS 7. However, instead of taking a traditional tour relating to hardening a server, we will take a more pragmatic approach by reviewing SSH,
SELinux, HIDS, and Firewalld in an alternate fashion in order to encourage you to discover more about the system in general.
In this chapter, we will:
aureportto generate audit reports and audit
SSHbanners and use
FIGletto create custom banners
Tripwireand provide your system with an intrusion detection system