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A security team notices that traffic from a specific internal subnet is not being inspected by the firewall. They have configured a security policy rule that matches the subnet and allows the traffic, but the traffic is still not being logged or inspected. What is the most likely cause?
Option D is correct because if a security policy rule is disabled in the rulebase, it will not be evaluated or enforced, even if it matches the traffic. The firewall will skip the rule entirely, meaning no logging or inspection occurs for traffic that would have matched it. This …Read full explanation
An organization is deploying a Palo Alto Networks firewall in a data center to segment traffic between three application tiers: web, app, and database. The web servers must be accessible from the internet, the app servers must only be reachable from the web servers, and the database servers must only be reachable from the app servers. Which security policy design best meets these requirements?
Option A is correct because it implements a least-privilege security model using Palo Alto Networks zones and granular application- and port-based rules. By creating separate zones (Web, App, DB) and explicitly allowing only the necessary protocols (e.g., HTTP/HTTPS from the inte…Read full explanation
A network administrator is troubleshooting a connectivity issue where users in the 192.168.1.0/24 subnet cannot reach a server at 10.0.0.10. The firewall has a rule that allows traffic from source zone 'Trust' to destination zone 'DMZ' with source address 192.168.1.0/24 and destination address 10.0.0.10. The traffic is matching the rule, but the packets are being dropped. What is the most likely reason?
The traffic matches the security rule, but the firewall drops the packet because it cannot find a route to the destination network 10.0.0.0/24. In Palo Alto Networks firewalls, even if a security rule permits traffic, the firewall must have a valid route in its routing table to f…Read full explanation
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