Crucial Exams

CompTIA Linux+ XK0-006 (V8) Practice Question

A Linux bastion host must be hardened so that root can never log in with SSH, only users who belong to the bastion UNIX group may start an interactive SSH session, and all X11 forwarding over SSH is disabled. After editing /etc/ssh/sshd_config and reloading the service, which group of directives will satisfy all three requirements?

  • PermitRootLogin prohibit-password
AllowUsers %bastion
X11Forwarding no

  • PermitRootLogin no
AllowGroups bastion
X11Forwarding no

  • PermitRootLogin no
DenyGroups bastion
X11Forwarding no

  • PermitRootLogin forced-commands-only
AllowGroups bastion
X11Forwarding yes
CompTIA Linux+ XK0-006 (V8)
Security
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