A network administrator is setting up a firewall to protect the organization's network from external threats. Which of the following should the administrator consider first when configuring the firewall?
A.
Required ports, protocols, and services
B.
Inclusion of a deny all rule
C.
VPN access
D.
Outbound access originating from customer-facing servers
When configuring a firewall, the first step should be to determine what traffic needs to be allowed. This includes identifying the required ports, protocols, and services necessary for normal business operations. Once that is established, rules can be written to allow only that traffic and deny everything else. This approach follows the principle of least privilege.
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Jstark111
1 week, 5 days ago