1The company's IT department configured the firewall to block all incoming traffic from unknown sources.
2Is the firewall on your laptop enabled, or do you need to activate it?
3The new firewall software was installed to protect the server from potential cyber threats.
4To troubleshoot the issue, try temporarily disabling the firewall and see if the problem persists.
5The network administrator explained that the firewall was necessary to prevent hackers from accessing sensitive data on the company's intranet.