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Acomprehensive security approachuses:

User-IDfor identity-based policies

App-IDfor application-based security

Decryptionto inspect encrypted traffic

Security profilesto enforce protections

Dynamic updatesto ensure up-to-date threat coverage

“For comprehensive security, combine User-ID, App-ID, decryption, and security profiles. Keep the firewall updated with dynamic content updates to maintain the strongest security posture.”

(Source: Best Practices for Security Policy)

This ensures real-time, identity-aware, and application-centric security enforcement.

An ALG is designed toinspect and modify the payloadof application-layer protocols (like SIP, FTP, etc.) to manage dynamic port allocations and session information.

“Application Layer Gateways (ALGs) inspect the payload of certain protocols to dynamically manage sessions that use dynamic port assignments. By modifying payloads, the ALG ensures that NAT and security policies are correctly applied.”

(Source: ALG Support)

TheAnti-spyware profileincludes DNS-based protections like sinkholing and detection of DNS queries to malicious domains, offering real-time protection against attacks that exploit DNS misconfigurations.

“The Anti-Spyware profile protects against DNS-based threats by sinkholing DNS queries to malicious domains and detecting suspicious DNS activity, thus blocking data exfiltration and C2 communication.”

(Source: Anti-Spyware Profiles)

Adecryption policyallows the firewall to inspect encrypted traffic and apply security controls toPost-quantum Cryptography (PQC)usage, as PQC algorithms are typically implemented within encrypted sessions.

“Decryption policies enable the firewall to see and control encrypted traffic. This visibility and control extend to new cryptographic algorithms, including PQC, to ensure that security measures are applied consistently.”

(Source: Palo Alto Networks Decryption Overview)

By decrypting sessions, you ensure that even PQC traffic can be inspected, logged, and subject to security profiles for visibility and policy enforcement.

SSL Inbound Inspectionallows the firewall to decrypt incoming encrypted traffic to internal servers (e.g., web servers) by acting as aman-in-the-middle (MITM). The firewall uses the private key of the server to decrypt the session and apply security policies before re-encrypting the traffic.

“SSL Inbound Inspection requires you to import the server’s private key and certificate into the firewall. The firewall then acts as a man-in-the-middle (MITM) to decrypt inbound sessions from external clients to internal servers for inspection.”

(Source: SSL Inbound Inspection)

Enterprise DLPuses cloud analysis to inspect and classify sensitive data innon-file-based formats(e.g., in-line data streams, SaaS communications).

“Enterprise DLP inspects data in non-file-based traffic flows, forwarding suspicious data patterns to the cloud for classification and verdicts.”

(Source: Enterprise DLP Overview)

The other services focus on file-based scanning (WildFire), URL access control (Advanced URL Filtering), or inline SaaS application controls (SaaS Security Inline).

To connect aremote networkto Prisma Access via Strata Cloud Manager (SCM), the remote network requires anIPSec termination node. This acts as the VPN endpoint, ensuring secure connectivity between branch locations and Prisma Access.

“To onboard a remote network, configure the IPSec termination node on the customer’s premises. This VPN endpoint establishes the secure tunnel to Prisma Access for traffic backhauling.”

(Source: Onboard Remote Networks)

Key takeaway:

The IPSec termination node is fundamental for secure, encrypted connectivity.

When migrating from aperpetual VM-Series firewall license to a flexible VM licensing model, two critical steps are needed:

Allocate same number of vCPUs– This ensures that the VM-Series capacity remains consistent and avoids resource bottlenecks.

“When migrating perpetual VM-Series licenses to flexible VM licensing, allocate the same vCPU and memory resources to ensure equivalent performance.”

(Source: VM-Series Flexible Licensing Migration)

Limit to same security services– Flexible licensing requires maintaining the same security services to preserve licensing compliance.

“Ensure that you allow only the same security services on the flexible VM instance as were licensed on the perpetual VM.”

(Source: Flexible Licensing and Service Subscriptions)