An administrator is configuring a firewall rule set for a subnet to only access DHCP, web pages, and SFTP, and to specifically block FTP. Which of the following would BEST accomplish this goal?

A. [Permission Source Destination Port]
Allow: Any Any 80 -
Allow: Any Any 443 -
Allow: Any Any 67 -
Allow: Any Any 68 -
Allow: Any Any 22 -
Deny: Any Any 21 -
Deny: Any Any

B. [Permission Source Destination Port]
Allow: Any Any 80 -
Allow: Any Any 443 -
Allow: Any Any 67 -
Allow: Any Any 68 -
Deny: Any Any 22 -
Allow: Any Any 21 -
Deny: Any Any

C. [Permission Source Destination Port]
Allow: Any Any 80 -
Allow: Any Any 443 -
Allow: Any Any 22 -
Deny: Any Any 67 -
Deny: Any Any 68 -
Deny: Any Any 21 -
Allow: Any Any

D. [Permission Source Destination Port]
Allow: Any Any 80 -
Allow: Any Any 443 -
Deny: Any Any 67 -
Allow: Any Any 68 -
Allow: Any Any 22 -
Allow: Any Any 21 -
Allow: Any Any





 

Correct Answer: A

This question is in SY0-601 exam
For getting CompTIA Security+ certificate