Which of the following is the BEST method to secure remote server management sessions?
Configure the network firewall to restrict incoming management traffic
Disable unused services on the server
Disable root logins
Use key-based authentication instead of passwords
Using key-based authentication instead of passwords is considered a best practice for securing remote administration sessions. Key-based authentication provides stronger security than simple password-based authentication by relying on cryptographic keys. Passwords can be susceptible to brute force attacks and are generally considered less secure. Disabling root logins prevents users from logging in directly as the root user, which is a security best practice but does not directly enhance the security of the authentication process itself. Configuring a firewall is a crucial security measure, but it pertains more broadly to network protection rather than specifically improving remote session security.
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