W9L5 Firewalls

Question 1

What is a firewall?

Answer 1

A type of router that passes select traffic through

Question 2

Firewall default policy

Answer 2

Deny entry

Question 3

Stateless firewalls

Answer 3

Doesn’t need to hold any state in memory
Examine each packet separately
IP/TCP header fields, ports

Question 4

Stateful firewalls

Answer 4

Tracks flows/exisitng connections
Each packet is part of an existing flow, it will be treated the same way as the rest of the flow
Can differentiate between incoming and outgoing

Question 5

DMZ stands for

Answer 5

Demilitarized zone

Question 6

What is DMZ

Answer 6

Private part of a network is separated off and better secured

Question 7

A type of router that passes select traffic through

Answer 7

What is a firewall?

Question 8

Doesn’t need to hold any state in memory
Examine each packet separately
IP/TCP header fields, ports

Answer 8

Stateless firewalls

Question 9

Tracks flows/exisitng connections
Each packet is part of an existing flow, it will be treated the same way as the rest of the flow
Can differentiate between incoming and outgoing

Answer 9

Stateful firewalls

Question 10

Demilitarized zone

Answer 10

DMZ stands for

Question 11

Private part of a network is separated off and better secured

Answer 11

What is DMZ