Skip to main content

  • HornetSecurity

    All-in-one protection for Microsoft 365

    All-in-one protection for Microsoft 365

  • ManageEngine

    OpManager: Network & DC Monitoring

    Monitor & Manage Network, Datacenters, endpoints & more.

  • ManageEngine

    Patch Manager Plus

    Patch 750+ applications through one reliable platform

Latest Articles

ManageEngine Firewall Analyzer

Challenges & Solutions to Managing Firewall Rules in Complex Network Environments

firewall security rules policy managementIn today's interconnected digital landscape, where businesses rely heavily on networked systems and the internet for their operations, the importance of cybersecurity cannot be overstated. Among the essential tools in a cybersecurity arsenal, firewalls stand as a frontline defense against cyber threats and malicious actors.

One of the primary functions of a firewall is to filter traffic, which entails scrutinizing packets of data to determine whether they meet the criteria set by the organization's security policies. This process involves examining various attributes of the data packets, such as source and destination IP addresses, port numbers, and protocols. By enforcing these rules, firewalls can thwart a wide range of cyber threats, including unauthorized access attempts, malware infections, denial-of-service attacks and more.

Enforcing and managing firewall rules effectively can be a daunting task, particularly in complex network environments with numerous rules, policies and configurations. While solutions like ManageEngine Firewall Analyzer step in, to offer a comprehensive way to streamline firewall rule management and enhance security posture, it’s worthwhile take a look at the real challenges firewall rule management present across all known platforms such as Cisco (FTD, Firepower, ASA), Palo AltoPalo Alto Next-Gen firewalls, Checkpoint, Fortinet, Juniper and more.

Key Topics:

Challenges with Firewall Rule Management

Palo Alto Networks

Configuring QoS on Palo Alto Firewalls: Class-based Policies, QoS Profiles, Enabling QoS on Firewall Interfaces

Palo Alto Firewalls - Understanding and configuring QoSThis article’s purpose is to help you quickly master Palo Alto QoS concepts and learn to configure QoS on Palo Alto Firewalls in a simple and efficient way. QoS is considered a complicated topic however thanks to Palo Alto’s intuitive firewall GUI interface and our real-scenarios, you’ll quickly grasp all necessary QoS basics and be ready to implement your own QoS policies!

You’ll learn basic QoS terms such as Ingress and Egress traffic, Differentiated Service Code Point (DSCP), Traffic Policing, Traffic Shaping, Palo Alto QoS Classes, Palo Alto QoS Policies, how to build Palo Alto QoS policies, how to configure Palo Alto QoS Classes and finally how to enable and monitor QoS on Palo Alto firewall interfaces (both standalone & AE Aggregate interfaces), view QoS bandwidth graphs and more!

Key Topics:

Find more great articles by visiting our Palo Alto Firewall Section.

Introduction to Palo Alto QoS

QoS was born from the IEEE group during 1995-1998 by establishing the standard IEEE 802.1P. The main purpose of QoS is to prioritise desired traffic over other type of traffic or to limit the amount of bandwidth applications can consume, by utilizing different mechanisms. This ensures network performance, avoids bottlenecks, congestion or overutilization of network links. A frequently used example of QoS is the prioritising Real-time traffic e.g voice or video, over other type of traffic:

Palo Alto Firewall - QoS Priority Queues & Packet PrioritizationQoS Priority Queues - Packet classification and prioritization

In the example above, voice packets (blue) are given a higher priority against others, therefore immediately being forwarded by the firewall out via the output interface. Since voice packets are very sensitive to delay, they are usually handled with priority to avoid issues in a real-time voice streams e.g VoIP telephone call between two endpoints.

Overview of QoS Configuration on Palo Alto Firewalls

ManageEngine Firewall Analyzer

Dealing with Security Audit Challenges: Discovering vulnerabilities, unauthorized access, optimize network security & reporting

manageengine firewall analyzer - dealing with security audit challengesThe utilization of log analyzers, such as Firewall Analyzer, in network infrastructure plays a pivotal role in enhancing cybersecurity and fortifying the overall security posture of an organization. Security audits, facilitated by log analyzers, serve as a critical mechanism for systematically reviewing and analyzing recorded events within the network.

This proactive approach enables the identification of potential security risks, unauthorized access attempts, and abnormal activities that might signify a breach. The log analyzer sifts through vast amounts of data & logs, providing insights into patterns and anomalies that might go unnoticed otherwise.

By uncovering vulnerabilities and irregularities, organizations can take timely corrective actions, preventing potential security breaches. Moreover, the information gleaned from these audits is instrumental in formulating a comprehensive security strategy that extends across the entire network infrastructure.

ManageEngine Firewall Analyzer dashboard
ManageEngine Firewall Analyzer dashboard (click to enlarge)

This strategic approach ensures a holistic defense against cyber threats, fostering a resilient and adaptive cybersecurity framework that aligns with the evolving landscape of security challenges.

This article will delve into the concept of security audits and how a product like Firewall Analyzer can streamline this crucial procedure.

Key Topics:

Download your copy of ManageEngine's popular Firewall Analyzer here.

Security Audits Explained

Palo Alto Networks

How to Manually Download, Import & Install PAN-OS on Palo Alto Firewalls via CLI & Web GUI interface

Palo Alto PAN-OS Manual update - upload - upgradeThis article provides comprehensive guidance on the manual processes involved in downloading, uploading, and installing (import) any PAN-OS version on a Palo Alto Firewall. It details the steps for searching and downloading the desired PAN-OS version, as well as the supported methods for uploading the software to your Palo Alto Firewall, including Web, TFTP, and SCP. Additionally, the article offers valuable tips aimed at facilitating a smooth and successful upgrade process.

The necessity for a manual upgrade of a Palo Alto firewall arises in instances where the system operates within an isolated environment employing air-gap architecture and lacks direct internet access. This requirement is further applicable in scenarios where the firewall is devoid of valid licenses, remains unregistered, or serves as a replacement unit as exemplified in a Return Merchandise Authorization (RMA) context.

Whether performing upgrades manually or automatically, it is crucial to consider the same upgrade path rules outlined in our article Complete guide to upgrading Palo Alto firewalls. Individuals unfamiliar with these rules are strongly encouraged to review the article before initiating any PAN-OS upgrade.

Key Topics:

Explore our dedicated Palo Alto section to access a collection of high-quality technical articles.

Downloading PAN-OS Software

Begin by downloading the needed software from the Palo Alto Networks support page. Make sure you have a valid support contract.

Once logged in, select Updates on the left pane, followed by Software Updates from the right pane:

Your IP address:

44.212.99.208

All-in-one protection for Microsoft 365

All-in-one protection for Microsoft 365

FREE Hyper-V & VMware Backup

FREE Hyper-V & VMware Backup

Wi-Fi Key Generator

Generate/Crack any
WEP, WPA, WPA2 Key!

Follow Firewall.cx

Network and Server Monitoring

Network and Server Monitoring

Cisco Password Crack

Decrypt Cisco Type-7 Passwords on the fly!

Decrypt Now!

Bandwidth Monitor

Bandwidth Monitor

EventLog Analyzer

ManageEngine Eventlog Analyzer

Free PatchManager

Free PatchManager

Firewall Analyzer

zoho firewall analyzer


Featured Categories:


Top Picks:

Virtualization & VM Backup

How to Enable SNMP on VMware ESXi Host & Config...

In this article we will show you how to enable SNMP on your VMware ESXi host, configure SNMP Community string and configure your ESXi firewall to allow or block access to the SNMP service from spec...
Palo Alto Networks

How to Fix Palo Alto Firewall “Error: Image Fil...

Keeping your Palo Alto Firewall up to date with the latest PAN-OS software updates is an important step to ensure your organization is protected against the PAN-OS latest software vulnerabilities, ...
OpManager - Network Monitoring & Management

Preparing and Managing your Network for the Rem...

Times have changed now and HOME is the new office. Now, everyone works at their comfort and in fact online all throught the day and night. This mandates the IT infrastructure to be up and running 2...
OpManager - Network Monitoring & Management

Network Management Systems Help Businesses Accu...

Accurately monitoring your organization’s business application performance, service provider SLA breaches, network infrastructure traffic, bandwidth availability, Wi-Fi capacity, packet loss, delay...

SASE & SD-WAN Networks

SD-WAN is the Emerging, Evolving Solution for the Branch Office

A lot has changed in how people work during the past twenty years. Co-working spaces, mobility, and the cloud now are common. Businesses are spread...
SASE & SD-WAN Networks

The Need for a Converged SASE Platform. Converging Network & Security Services with Catonetworks SASE Platform

The digital transformation is pushing applications to the cloud, the 2020-2022 pandemic shifted employees to work from home, and the number of resu...
SASE & SD-WAN Networks

WAN Optimization vs SD WAN Networks. Today’s Challenges & Difficulties for WAN Optimization

Enterprises have been successfully running WAN optimization appliances at their many distributed sites for years. The devices have done a good job ...
SASE & SD-WAN Networks

Key Features of a True Cloud-Native SASE Service. Setting the Right Expectations

Secure Access Service Edge (SASE) is an architecture widely regarded as the future of enterprise networking and security. In previous articles we t...

VLAN Networks

VLAN Security - Making the Most of VLANs

It's easy to see why virtual LANs have become extremely popular on networks of all sizes. In practical terms, multiple VLANs are pretty much the sa...
VLAN Networks

VTP Introduction & Modes

The invention of VLANs was very much welcomed by all engineers and administrators, allowing them to extend, redesign and segment their existing net...
VLAN Networks

VTP Protocol - In-Depth Analysis

The previous article introduced the VTP protocol, we examined how it can be used within a network, to help manage VLANs and ease the administrative...
VLAN Networks

InterVLAN Routing - Routing between VLAN Networks

This article deals with the popular topic of InterVLAN routing, which is used to allow routing & communication between VLAN networks. Our artic...

Routing

Routing Information Protocol - RIP

Routing Information Protocol (RIP) is a distance-vector routing protocol that is commonly used in small to medium-sized networks. It is one o...
Routing

OSPF - Part 4: OSPF Neighbor States – OSPF Neighbor Forming Process

This is the third article of our OSPF series which analyzes the different OSPF States routers go through during the OSPF discovery and neighbor for...
Routing

OSPF - Part 6: OSPF LSA Types - Purpose and Function of Every OSPF LSA

Our previous article explained the purpose of Link State Update (LSU) packets and examined the Link State Advertisement (LSA) information contained...
Routing

Interior Gateway Protocol - IGRP

IGRP (Interior Gateway Routing Protocol) is a Cisco proprietary distance-vector routing protocol used in enterprise networks to exchange routing in...

Cisco Switches

Installation of a Cisco Catalyst 4507R-E Layer 3 Switch

Driven by our thirst for technical material and experience, we thought it would be a great idea to start presenting various installations of Cisco ...
Cisco Routers

Cisco Router PPP Multilink Setup and Configuration

This article provides an in-depth explanation of PPP Multilink and shows how to configure a Cisco router to use PPP Multilink between two serial in...
Cisco Switches

Password Recovery / Password Reset Procedure for Catalyst 3750-X & 3560-X Switches - Single or Stack Member Configuration

This article shows how to reset a password on a Cisco Catalyst 3750-X (stacked or single unit) and Cisco Catalyst 3560-x switch without losing its ...
Cisco Switches

Basic & Advanced Catalyst Layer 3 Switch Configuration: Creating VLANs, InterVLAN Routing (SVI), VLAN Security, VTP, Trunk Link, NTP Configuration. IOS License Requirements for SVI Routing

This article covers basic and advanced configuration of Cisco Catalyst Layer-3 switches such as the Cisco Catalyst 3560G, 3560E, 3560-X, 3750, 3750...