An administrator changed the default port of an SSH server to 2222 on myhost, and clients are not able to connect. The administrator runs some commands and receives the following output: $ ssh -p…

Question

Options

• Afirewall-cmd --zone=public --add-service=ssh
• Bfirewall-cmd --zone=public --add-port=2222
• Ciptables --zone=public --add-service=ssh
• Diptables --zone=public --add-port=2222

• A
  9% (4)
• B
  84% (38)
• C
  4% (2)
• D
  2% (1)

Explanation

The administrator has likely updated the SSH server to listen on a non-standard port (2222), but the firewall rules were not updated to allow connections on this new port. The firewall-cmd command with the --add-port option allows traffic on a specific port through the firewall. The command should be executed on myhost to permit incoming SSH connections on port 2222.

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