12.5 Firewalls

Question 1

Firewalls types:

Answer 1

Software Firewall and Hardware Firewall

Question 2

What is a packet filtering firewall?

Answer 2

Firewalls that inspect traffic based solely on a packets header.

Question 3

What is a stateful firewall?

Answer 3

A firewall that inspects traffic leaving the inside network as it goes out to the internet. When returning traffic from the same session attempts to enter the network,the stateful firewall permits the traffic.

Question 4

What are the firewall zones?

Answer 4

INSIDE, OUTSIDE DEMILITARIZED.

Question 5

Features of a UTM could include:

Answer 5

IPS, Antivirus, Content filtering, antispam, data loss prevention, compliance checking, state fuel filtering, VPN services, multiple interfaces for DMZs, load balancing, user based access control and filtering, NAT, transparent or routed implementation, SSL interception, app layer content analysis, posture assessment…