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TLS decryption is the offering that inspects encrypted outbound traffic. TLS decryption is a feature that allows the firewall to decrypt and inspect outbound SSL/TLS traffic from internal clients to external servers. TLS decryption can inspect encrypted outbound traffic by applying threat prevention technologies, such as antivirus, anti-spyware, vulnerability protection, URL filtering, file blocking, data filtering, and WildFire analysis, to the decrypted traffic and blocking any malicious content or activity. WildFire, Content-ID, and Advanced URL Filtering (AURLF) are not offerings that inspect encrypted outbound traffic, but they are related solutions that can enhance security and visibility. References: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [TLS Decryption Overview], [Threat Prevention Datasheet]

The two routing options that are supported by VM-Series are:

OSPF

BGP

Routing is a process that determines the best path for sending network packets from a source to a destination. Routing options are protocols or methods that enable routing between different networks or devices. VM-Series firewall is a virtualized version of the Palo Alto Networks next-generation firewall that can be deployed on various cloud or virtualization platforms. VM-Series firewall supports various routing options that allow it to participate in dynamic routing environments and exchange routing information with other routers or devices. OSPF and BGP are two routing options that are supported by VM-Series. OSPF is a routing option that uses link-state routing algorithm to determine the shortest path between routers within an autonomous system (AS). BGP is a routing option that uses path vector routing algorithm to determine the best path between routers across different autonomous systems (ASes). RIP and IGRP are not routing options that are supported by VM-Series, but they are related protocols that can be used for other purposes. References: [Palo Alto Networks Certified Software Firewall Engineer (PCSFE)], [VM-Series Deployment Guide], [Routing Overview], [What is OSPF?], [What is BGP?]

Traffic is directed to a Palo Alto Networks firewall integrated with Cisco ACI through a policy-based redirect. Cisco ACI is a software-defined network (SDN) solution that provides network automation, orchestration, and visibility. A policy-based redirect is a mechanism that allows Cisco ACI to redirect traffic from one endpoint group (EPG) to another EPG through a service device, such as a Palo Alto Networks firewall. The firewall can then inspect and enforce security policies on the redirected traffic before sending it back to Cisco ACI. Traffic is not directed to a Palo Alto Networks firewall integrated with Cisco ACI by using contracts between endpoint groups that send traffic to the firewall using a shared policy, through a virtual machine (VM) monitor domain, or by creating an access policy, as those are not valid methods for traffic redirection in Cisco ACI. References: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [Deploy the VM-Series Firewall on Cisco ACI], [Cisco ACI Policy-Based Redirect]

Access to the Cloud NGFW for AWS console must be enabled when using Terraform templates with a Cloud next-generation firewall (NGFW) for Amazon Web Services (AWS). Terraform is an open-source tool that allows users to define and provision infrastructure as code using declarative configuration files. Terraform templates are files that specify the resources and configuration for deploying and managing infrastructure components, such as firewalls, load balancers, networks, or servers. Cloud NGFW for AWS is a cloud-native solution that provides comprehensive security and visibility across AWS environments, including VPCs, regions, accounts, and workloads. Cloud NGFW for AWS is deployed and managed by Palo Alto Networks as a service, eliminating the need for customers to provision, configure, or maintain any infrastructure or software. Access to the Cloud NGFW for AWS console must be enabled when using Terraform templates with a Cloud NGFW for AWS, as the console is the web-based interface that allows customers to view and manage their Cloud NGFW for AWS instances, policies, logs, alerts, and reports. The console also provides the necessary information and credentials for integrating with Terraform, such as the API endpoint, access key ID, secret access key, and customer ID. AWS CloudWatch logging, access to the Palo Alto Networks Customer Support Portal, and AWS Firewall Manager console access do not need to be enabled when using Terraform templates with a Cloud NGFW for AWS, as those are not required or relevant components for Terraform integration. References: [Palo Alto Networks Certified Software Firewall Engineer (PCSFE)], [Terraform Overview], [Cloud Next-Generation Firewall Datasheet], [Cloud Next-Generation Firewall Deployment Guide], [Cloud Next-Generation Firewall Console Guide]

CN-Series high availability (HA) pair is the best solution for securing an EKS environment. EKS is a managed service that allows users to run Kubernetes clusters on AWS. CN-Series is a containerized firewall that integrates with Kubernetes and provides visibility and control over container traffic. CN-Series HA pair consists of two CN-Series firewalls deployed in active-passive mode to provide redundancy and failover protection. VM-Series single host, PA-Series using load sharing, and API orchestration are not optimal solutions for securing an EKS environment, as they do not offer the same level of integration, scalability, and automation as CN-Series. References: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [CN-Series Deployment Guide for AWS EKS], [CN-Series Datasheet]

VM-Series firewalls and hardware firewalls that are external to the Kubernetes cluster are problematic for protecting containerized workloads because they are located outside the cluster and have no visibility into application-level cluster traffic. Kubernetes is a platform that provides orchestration, automation, and management of containerized applications. Kubernetes cluster traffic consists of traffic between containers within a pod, across pods, or across namespaces. VM-Series firewalls and hardware firewalls that are external to the Kubernetes cluster cannot inspect or control this traffic, as they only see the encapsulated or aggregated traffic at the network layer. This creates blind spots and security gaps for containerized workloads. VM-Series firewalls and hardware firewalls that are external to the Kubernetes cluster are not problematic for protecting containerized workloads because they do not scale independently of the Kubernetes cluster, are managed by another entity when located inside the cluster, or function differently based on whether they are located inside or outside of the cluster, as those are not valid reasons or scenarios for firewall deployment in a Kubernetes environment. References: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [CN-Series Concepts], [VM-Series on Kubernetes]

Threat Prevention and WildFire are the two subscriptions that provide protection against malware and lateral movement in a private data center. Threat Prevention blocks known threats using antivirus, anti-spyware, and vulnerability protection. WildFire analyzes unknown files and links in a cloud-based sandbox and generates signatures for new threats. Intelligent Traffic Offload is a feature that reduces the load on the firewall by offloading traffic that does not need inspection. SD-WAN is a feature that optimizes the performance and availability of WAN connections. References: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [Threat Prevention Datasheet], [WildFire Datasheet], [Intelligent Traffic Offload], [SD-WAN]

VM-Series firewall is the software firewall that would assist a prospect who is interested in securing extensive DevOps deployments. DevOps is a set of practices that combines software development and IT operations to deliver software products faster and more reliably. DevOps deployments require network security that can protect the traffic between different stages of the software development lifecycle, such as development, testing, staging, and production, as well as between different cloud or virtualization platforms, such as public clouds, private clouds, or on-premises data centers. VM-Series firewall is a virtualized version of the Palo Alto Networks next-generation firewall that can be deployed on various cloud or virtualization platforms. VM-Series firewall can assist a prospect who is interested in securing extensive DevOps deployments by providing comprehensive security and visibility across hybrid and multi-cloud environments, protecting applications and data from cyberattacks, and supporting automation and orchestration tools that simplify and accelerate the deployment and configuration of firewalls across different platforms. CN-Series, Ion-Series, and Cloud next-generation firewall are not software firewalls that would assist a prospect who is interested in securing extensive DevOps deployments, but they are related solutions that can be deployed on specific platforms or environments. References: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [VM-Series Datasheet], [VM-Series Deployment Guide], [What is DevOps?]

NAT is the element that protects and hides an internal network in an outbound flow. NAT is a feature that translates the source or destination IP address or port of a packet as it passes through the firewall. NAT can protect and hide an internal network in an outbound flow by replacing the private IP addresses of the internal hosts with a public IP address of the firewall or another device, making them appear as a single entity to the external network. This prevents external hosts from directly accessing or identifying the internal hosts, and also conserves the public IP address space. DNS sinkholing, User-ID, and App-ID are not elements that protect and hide an internal network in an outbound flow, but they are related features that can enhance security and visibility. References: Palo Alto Networks Certified Software Firewall Engineer (PCSFE), [NAT Overview], [DNS Sinkholing Overview], [User-ID Overview], [App-ID Overview]

Palo Alto Networks Next-Generation Firewalls (NGFWs) are deployed within a Cisco ACI architecture using service graphs. Service graphs are logical representations of how traffic flows through different network services, such as firewalls, load balancers, or routers. By configuring service graphs, you can insert NGFWs into the traffic path and apply security policies to the traffic. References: [Palo Alto Networks NGFW Integration with Cisco ACI]