Packet filter firewalls are designed to intercept and filter packets as they enter or leave a network. Stateful firewalls, on the other hand, are designed to track the actions of individual users and make decisions about how to allow or block packets based on the user’s specific activity.
Packet filter firewalls are simpler to configure and use, but they are less able to protect against attacks that exploit vulnerabilities in the networked devices and computer systems that users access. Stateful firewalls, on the other hand, can detect and block attacks that exploit vulnerabilities in the networked devices and computer systems that users access, but they may not be as easy to configure.
Overall, packet filter firewalls are simpler to use and are better suited for protecting small networks or individual computer systems. Stateful firewalls are better suited for protecting larger networks and are more difficult to use, but they can protect against more attacks.
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