NETWORK SECURITY
FIREWALLS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Stateful
|
|
|
Stateless
|
|
|
Filters by session
|
|
|
Filters by URL
|
|
|
Filters IP addresses, but not ports
|
Detailed explanation-1: -Packet-filtering firewalls make processing decisions based on network addresses, ports, or protocols. Packet-filtering firewalls are very fast because there is not much logic going behind the decisions they make. They do not do any internal inspection of the traffic. They also do not store any state information.
Detailed explanation-2: -Which of the following are characteristics of a packet filtering firewall? (Select two.) A packet filtering firewall makes decisions about which network traffic to allow by examining information in the IP packet header such as source and destination addresses, ports, and service protocols.
Detailed explanation-3: -Explanation. The four techniques used by firewalls to control access and enforce a security policy are Service control, Direction control, User control and Behavior control.
Detailed explanation-4: -Static packet filtering firewall. A static packet filtering firewall requires you to establish firewall rules manually. Dynamic packet filtering firewall. Stateless packet filtering firewall. Stateful packet filtering firewall. 24-Jun-2022