How Stateful Firewall Reduce The Chance Of Spoofing?
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Stateful firewalls reduce the chance of spoofing by authenticating the source of network traffic with a process called stateful packet inspection. This process requires that all incoming traffic has a valid and legitimate source address, and that all outgoing traffic is sent to a valid destination address. If either of these criteria are not met, then the firewall will discard the packet. Additionally, stateful firewalls are able to track the source address of incoming traffic, and if the same source address is used more than once, the firewall will discard the packet. By using this process, stateful firewalls are able to reduce the chance of spoofing by ensuring that only legitimate traffic is allowed to pass through.