Question

Packet filtering firewalls are also called ____________

(a) first generation firewalls

(b) second generation firewalls

(c) third generation firewalls

(d) fourth generation firewalls

This question was posed to me during a job interview.

Question is taken from Firewalls in section Cyber Security of Cyber Security

Answer 1

The correct answer is (a) first generation firewalls

To explain: Packet filtering firewalls are also called the first generation firewalls. It came into the picture around the 1980s. Packet filtering technique cannot support the complex models of rules and is spoofing attack-prone in some cases as well.