10、RHEL 8: SSH Key - based Authentication and VNC Remote Desktop Access

RHEL 8: SSH Key - based Authentication and VNC Remote Desktop Access

1. SSH Key - based Authentication

Remote access to a RHEL 8 system demands high - level security. By default, RHEL 8 allows SSH access with password - based authentication, which is vulnerable to password guessing or discovery. Key - based authentication is a better alternative. It uses public key encryption with public and private keys. Only clients with a private key matching a public key on the server can connect. The private key can also be encrypted and password - protected.

1.1 Using Existing Keys with PuTTY

• Select the Private Key : Click the “Browse” button next to the “Private key for authentication” field in PuTTY. Navigate to and select