Palo Alto Networks PCNSA Practice Test - Questions Answers, Page 32

The block IP feature can be configured in two Security Profiles: Vulnerability Protection and Anti-spyware. The block IP feature allows the firewall to block traffic from a source IP address for a specified period of time after detecting a threat.This feature can help prevent further attacks from the same source and reduce the load on the firewall1. The block IP feature can be enabled in the following Security Profiles:

Vulnerability Protection: A Vulnerability Protection profile defines the actions that the firewall takes to protect against exploits and vulnerabilities in applications and protocols.You can configure a rule in the Vulnerability Protection profile to block IP connections for a specific threat or a group of threats2.

Anti-spyware: An Anti-spyware profile defines the actions that the firewall takes to protect against spyware and command-and-control (C2) traffic. You can configure a rule in the Anti-spyware profile to block IP addresses for a specific spyware or C2 signature.

URL Filtering profiles are configured in the Objects section of the PAN-OS GUI. A URL Filtering profile defines the actions that the firewall takes for different URL categories, such as allow, block, alert, continue, or override.You can also configure settings for credential phishing prevention, URL filtering inline machine learning, and safe search enforcement in a URL Filtering profile1.To create or modify a URL Filtering profile, you need to go to Objects > Security Profiles > URL Filtering2.Reference:URL Filtering Profile,Create a URL Filtering Profile,Updated Certifications for PAN-OS 10.1,Palo Alto Networks Certified Network Security Administrator (PAN-OS 10.0)or [Palo Alto Networks Certified Network Security Administrator (PAN-OS 10.0)].

Three valid source or destination conditions available as Security policy qualifiers are User, Application, and Zone. These qualifiers allow you to define the match criteria for a Security policy rule based on the identity of the user, the application used, and the zone where the traffic originates or terminates.You can use these qualifiers to enforce granular security policies that control access to network resources and prevent threats1. Some of the characteristics of these qualifiers are:

User: The User qualifier allows you to specify the source or destination user or user group for a Security policy rule. The firewall can identify users based on various methods, such as User-ID, Captive Portal, or GlobalProtect.You can use the User qualifier to apply different security policies for different users or user groups, such as allowing access to certain applications or resources based on user roles or privileges2.

Application: The Application qualifier allows you to specify the application or application group for a Security policy rule. The firewall can identify applications based on App-ID, which is a technology that classifies applications based on multiple attributes, such as signatures, protocol decoders, heuristics, and SSL decryption.You can use the Application qualifier to allow or deny access to specific applications or application groups, such as enabling web browsing but blocking social networking or file sharing3.

Zone: The Zone qualifier allows you to specify the source or destination zone for a Security policy rule. A zone is a logical grouping of one or more interfaces that have similar functions or security requirements. The firewall can apply security policies based on the zones where the traffic originates or terminates, such as intrazone, interzone, or universal.You can use the Zone qualifier to segment your network and isolate traffic based on different trust levels or network functions4.

Policy Optimizer provides a simple workflow to migrate your legacy Security policy rulebase to an App-ID based rulebase, which improves your security by reducing the attack surface and gaining visibility into applications so you can safely enable them. Policy Optimizer can also identify unused rules, duplicate rules, and rules that can be merged or reordered to optimize your rulebase.You can use Policy Optimizer to review the usage statistics of your rules and take actions to clean up or modify your rulebase as needed1.Reference:Security Policy Rule Optimization,Updated Certifications for PAN-OS 10.1,Free PCNSE Questions for Palo Alto Networks PCNSE Exam

Reverting to the running configuration will undo the changes made to the candidate configuration since the last commit. This operation will replace the settings in the current candidate configuration with the settings from the running configuration.The firewall provides the option to revert all the changes or only specific changes by administrator or location1.Reference:Revert Firewall Configuration Changes,How to Revert to a Previous Configuration,How to revert uncommitted changes on the firewall?.

When the destination NAT translation is selected as Dynamic IP (with session distribution), the firewall uses a round-robin algorithm to distribute sessions among the available IP addresses that are resolved from the FQDN.This option allows you to load-balance traffic to multiple servers that have dynamic IP addresses1.Reference:Destination NAT,NAT,Getting Started: Network Address Translation (NAT).

The NAT Target tab is a table that allows you to specify the target firewalls or device groups for each NAT policy rule on Panorama. This tab is available only on Panorama and not on individual firewalls. The NAT Target tab enables you to create a single NAT policy rulebase on Panorama and then selectively push the rules to the firewalls or device groups that require them.This reduces the complexity and duplication of managing NAT policies across multiple firewalls1.Reference:NAT Target Tab,NAT Policy Overview,NPTv6 Overview,Updated Certifications for PAN-OS 10.1.

Palo Alto Networks firewalls support three types of Ethernet interfaces that can be configured on the firewall: virtual wire, tap, and layer 31. These interface types determine how the firewall processes traffic and applies security policies. Some of the characteristics of these interface types are:

Virtual Wire: A virtual wire interface allows the firewall to transparently pass traffic between two network segments without modifying the packets or affecting the routing.The firewall can still apply security policies and inspect the traffic based on the source and destination zones of the virtual wire2.

Tap: A tap interface allows the firewall to passively monitor traffic from a network switch or router without affecting the traffic flow. The firewall can only receive traffic from a tap interface and cannot send traffic out of it.The firewall can apply security policies and inspect the traffic based on the source and destination zones of the tap interface3.

Layer 3: A layer 3 interface allows the firewall to act as a router and participate in the network routing.The firewall can send and receive traffic from a layer 3 interface and apply security policies and inspect the traffic based on the source and destination IP addresses and zones of the interface4.