An administrator is defining protection settings on the Palo Alto Networks NGFW to guard against resource exhaustion. When platform utilization is considered, which steps must the administrator take to configure and apply packet buffer protection?
A.
Enable and configure the Packet Buffer Protection thresholds. Enable Packet Buffer Protection per ingress zone.
B.
Enable and then configure Packet Buffer thresholds. Enable Interface Buffer protection.
C.
Create and Apply Zone Protection Profiles in all ingress zones. Enable Packet Buffer Protection per ingress zone.
D.
Configure and apply Zone Protection Profiles for all egress zones. Enable Packet Buffer Protection per egress zone.
E.
Enable per-vsys Session Threshold alerts and triggers for Packet Buffer Limits. Enable Zone Buffer Protection per zone.
Answer = A
The following excerpts from 9.1 Docs confirm the answer:
... Packet Buffer Protection defends ingress zones.
... you don’t configure Packet Buffer Protection in a Zone Protection profile
... tune the Packet Buffer Protection thresholds
https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/zone-protection-and-dos-protection/zone-defense/packet-buffer-protection.html
A
https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/zone-protection-and-dos-protection/configure-zone-protection-to-increase-network-security/configure-packet-buffer-protection
correct a
https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-admin/zone-protection-and-dos-protection/configure-zone-protection-to-increase-network-security/configure-packet-buffer-protection
Sounds like D to me :
Same web link :
Enable packet buffer protection on an ingress zone.
Select Network
Zones
.
Choose an ingress zone and click on its name.
Select the Enable Packet Buffer Protection
check box in the Zone Protection section.
Click OK
.
"A" is correct. you dont need a ZPF at all to have buffer protection enabled on a zone. and will be per zone on ingress as per life of a packet.
upvoted 3 times
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