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Network layer firewall has two sub-categories as
- a)stateful firewall and stateless firewall
- b)bit oriented firewall and byte oriented firewall
- c)frame firewall and packet firewall
- d)none of the mentioned
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Network layer firewall has two sub-categories asa)stateful firewall an...
Network Layer Firewall: Stateful Firewall and Stateless Firewall
Stateful Firewall
- Keeps track of the state of network connections
- Examines the state of incoming packets to determine whether they are part of an existing connection or a new connection
- If the packet is part of an existing connection, it is allowed to pass through the firewall
- If the packet is not part of an existing connection, the firewall determines whether it meets the criteria for a new connection and either allows or blocks it accordingly
- Examples of stateful firewalls include Cisco ASA, Check Point Firewall, and Fortinet FortiGate
Stateless Firewall
- Does not keep track of the state of network connections
- Examines each packet individually and makes decisions based on predetermined rules
- If the packet matches a rule, it is allowed to pass through the firewall
- If the packet does not match any rules, it is blocked
- Stateless firewalls are less complex and less resource-intensive than stateful firewalls
- Examples of stateless firewalls include Linux iptables and Cisco IOS Access Control Lists
Conclusion
- Network layer firewalls can be categorized into stateful and stateless firewalls
- Stateful firewalls keep track of network connections and examine the state of incoming packets to make decisions
- Stateless firewalls examine each packet individually and make decisions based on predetermined rules
- Each type of firewall has its advantages and disadvantages, and the choice between them depends on the specific requirements of the network and the organization using it.
Stateful Firewall
- Keeps track of the state of network connections
- Examines the state of incoming packets to determine whether they are part of an existing connection or a new connection
- If the packet is part of an existing connection, it is allowed to pass through the firewall
- If the packet is not part of an existing connection, the firewall determines whether it meets the criteria for a new connection and either allows or blocks it accordingly
- Examples of stateful firewalls include Cisco ASA, Check Point Firewall, and Fortinet FortiGate
Stateless Firewall
- Does not keep track of the state of network connections
- Examines each packet individually and makes decisions based on predetermined rules
- If the packet matches a rule, it is allowed to pass through the firewall
- If the packet does not match any rules, it is blocked
- Stateless firewalls are less complex and less resource-intensive than stateful firewalls
- Examples of stateless firewalls include Linux iptables and Cisco IOS Access Control Lists
Conclusion
- Network layer firewalls can be categorized into stateful and stateless firewalls
- Stateful firewalls keep track of network connections and examine the state of incoming packets to make decisions
- Stateless firewalls examine each packet individually and make decisions based on predetermined rules
- Each type of firewall has its advantages and disadvantages, and the choice between them depends on the specific requirements of the network and the organization using it.
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Network layer firewall has two sub-categories asa)stateful firewall an...
Network layer firewall has two sub - categories as
stateful firewall and stateless firewall
stateful firewall and stateless firewall
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Network layer firewall has two sub-categories asa)stateful firewall and stateless firewallb)bit oriented firewall and byte oriented firewallc)frame firewall and packet firewalld)none of the mentionedCorrect answer is option 'A'. Can you explain this answer?
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