NETWORK SECURITY
INTRODUCTION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Firewall
|
|
|
NIPS
|
|
|
Load Balancer
|
|
|
URL Filter
|
Detailed explanation-1: -Firewalls use a rule-based access control model with rules expressed in an access control list. A mandatory access control model uses labels. A discretionary access control model allows users to assign permissions.
Detailed explanation-2: -Explanation: Firewalls are of three kinds – one is the hardware firewalls, another is software firewalls and the other is a combination of both hardware and software.
Detailed explanation-3: -Therefore, the only port(s) that need to be opened in the firewall are the http port (default 18080), and/or the https port (default 8443).
Detailed explanation-4: -Network layer Firewall can filter on Source And Destination IP address, Source and Destination Port no for both TCP and UDP packet.