Which two options can be completed when using the Firewall Configuration Tool, system – config – firewall?

Which two options can be completed when using the Firewall Configuration Tool, system – config – firewall?
A. Write complex firewall rules for checking, logging, and rejecting inbound and outbound connections
B. Enabling or disabling the firewall entirely
C. Build a filter to obfuscate sensitive data (national ID numbers, Credit Cards, and so on)
D. Select the services that have access to the network resource

Correct Answer: BC
Explanation/Reference:
Explanation: system-config-firewall
The GUI screen to control the firewall is available from the menu (System > Administration > Firewall) or can be started from the command line using the systemconfig-firewall command.
Once started, the toolbar provides buttons to allow the firewall to be enabled/disabled (B). You can also configure basic trusted services, such as SSH, FTP and HTTP (C), by putting a tick in the appropriate checkbox and clicking the "Apply" button on the toolbar.

The "Other Ports" section allows you to open ports that are not covered in the "Trusted Services" section.

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