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Palo Alto Networks Certified Network Security Engineer (PCNSE) · Palo Alto Networks
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D https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/zone-protection-and-dos-protection/zone-defense/packet-buffer-protection Packet Buffer Protection defends your firewall and network from single session DoS attacks that can overwhelm the firewall’s packet buffer and cause legitimate traffic to drop. Although you don’t configure Packet Buffer Protection in a Zone Protection profile or in a DoS Protection profile or policy rule, Packet Buffer Protection defends ingress zones. While zone and DoS protection apply to new sessions (connections) and are granular, Packet Buffer Protection applies to existing sessions and is global.
Packet Buffer Protection (part of Zone Protection)