PSE-Strata Exam Dumps : Palo Alto Networks System Engineer Professional - Strata

The Best Practice Assessment (BPA) tool provided by Palo Alto Networks helps organizations to assess and improve their security posture. The tool identifies several best practices, including:

Use of Decryption Policies: Implementing decryption policies ensures that encrypted traffic can be inspected for threats. This is crucial for identifying and mitigating risks hidden within SSL/TLS encrypted traffic​ (Marks4Sure)​.

Measure the Adoption of URL Filters, App-ID, User-ID: The BPA tool evaluates how effectively the organization is utilizing URL filtering, application identification (App-ID), and user identification (User-ID) to enforce security policies. These technologies are essential for granular control and visibility over network traffic​ (Marks4Sure)​.

Identify Sanctioned and Unsanctioned SaaS Applications: The tool helps in identifying which SaaS applications are being used within the network, distinguishing between those that are sanctioned by IT and those that are not. This visibility is crucial for managing shadow IT and ensuring that only approved applications are used, reducing security risks​ (Marks4Sure)​.

To support asymmetric routing with redundancy in a legacy environment using Palo Alto Networks firewalls, the following two features must be enabled:

Policy-based forwarding (PBF): This feature allows you to direct traffic to a specific interface or next-hop IP address, bypassing the normal routing table. PBF is crucial for managing asymmetric routing scenarios where inbound and outbound traffic might take different paths.

HA active/active: High Availability (HA) active/active configuration enables two firewalls to simultaneously manage traffic, providing redundancy and failover capabilities. This setup is essential for maintaining network availability and performance in environments with asymmetric routing, as it ensures that both firewalls can actively handle traffic.

References:

Palo Alto Networks High Availability (HA) Guide

Palo Alto Networks Policy-Based Forwarding Documentation

The sinkhole IP address provided by DNS Security serves two main benefits:

Client Communication (A): When the client communicates with the sinkhole IP address instead of the malicious IP address, it prevents the client from establishing a connection with the malicious server. This helps in protecting the client from potential harm and disrupts the malicious activity.

Client Identification (D): If the internal DNS server is positioned between the client and the firewall, the sinkhole IP address allows the firewall to identify which clients are attempting to access the malicious domain. This information is critical for administrators to take further action, such as cleaning the infected devices and enhancing security policies.

References:

Palo Alto Networks, DNS Security and Sinkhole Configuration documentation.