14. Configuring SSH Key-based Authentication on CentOS 8
When a CentOS 8 system is first installed, it is configured by default to allow remote command-line access via Secure Shell (SSH) connections. This provides password protected and encrypted access to the system for the root account and any other users added during the installation phase. This level of security is far from adequate and should be upgraded to SSH key-based authentication as soon as possible.
This chapter will outline the steps to increase the security of a CentOS 8 system by implementing key-based SSH authentication.
14.1 An Overview of Secure Shell (SSH)
SSH is designed to allow secure remote access to systems for the purposes of gaining shell access and transferring files ...
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