COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Access Control Lists
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File Access Lists
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Chained Log Filters
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Filter Control Lists
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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: -Create filter rules that block or allow traffic to devices based on various firewall parameters such as the host IP address, port number, port location, application and network type.
Detailed explanation-3: -Stateless Firewall: This type monitors network traffic and restricts or blocks packets based on source and destination addresses or other static values.
Detailed explanation-4: -A packet filtering firewall is a network security technique that regulates data flow to and from a network. It is a security mechanism that allows packets to move across networks while controlling their flow through the use of a set of rules, protocols, IP addresses, and ports.