The restrictions most commonly implemented in packet-filtering firewalls are based on __________.
A) IP source and destination address
B) Direction (inbound or outbound)
C) TCP or UDP source and destination port requests
D) All of the above

Question

The restrictions most commonly implemented in packet-filtering firewalls are based on __________.
A) IP source and destination address 
B) Direction (inbound or outbound) 
C) TCP or UDP source and destination port requests 
D) All of the above

Quizplus · Accepted Answer

Packet-filtering firewalls commonly use a combination of IP source and destination address, direction (inbound or outbound), and TCP or UDP source and destination port requests to implement restrictions. Therefore, option D is the best choice as it includes all the above options.

The Restrictions Most Commonly Implemented in Packet-Filtering Firewalls Are Based