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SASE & SD-WAN Networks
SASE and VPNs: Reconsidering your Mobile Remote A…
The Virtual Private Network (VPN) has become the go to security solution for keeping communications between networks and endpoints secure. After all…
SASE & SD-WAN Networks
Converged SASE Backbone – How Leading SASE Provid…
Global connectivity is top of mind for many IT teams at organizations of all sizes. We are currently in the middle of a dramatic shift in business an…
Palo Alto Networks
Introduction to Palo Alto Next-Generation Network…
During the past decade, we’ve seen the global IT security market flooded with new network security and firewall security appliances. New vendors emer…
SASE & SD-WAN Networks
How To Secure Your SD-WAN. Comparing DIY, Managed…
With so much enterprise network traffic now destined for the cloud, backhauling traffic across an expensive MPLS connection to a data center to apply…
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SASE & SD-WAN Articles:
Key Features of a True Cloud-Native SASE Service…
Secure Access Service Edge (SASE) is an architecture widely regarded as the future of enterprise networking and security. In previous articles we tal…
The Need for a Converged SASE Platform. Convergin…
The digital transformation is pushing applications to the cloud, the 2020-2022 pandemic shifted employees to work from home, and the number of result…
The Most Common Worst Networking Practices and Ho…
In the rush to keep pace with the many challenges facing today’s organizations, all too often networking teams end up adopting practices and processe…
Understanding Secure Access Service Edge (SASE) a…
Software Defined Wide Area Networking (SD-WAN) is changing the way that businesses connect to the cloud. With SD-WAN, organizations can move away fro…
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Palo Alto Networks
Complete Guide to Upgrading Palo Alto Firewall PAN-OS…
Upgrading your Palo Alto Firewall or Panorama Management System to the preferred PAN-OS release is always recommended as it ensures it remains stable, saf…
Palo Alto Networks
Palo Alto Networks Firewall - Web & CLI Initial Config…
This article is the second-part of our Palo Alto Networks Firewall technical articles. Our previous article was introduction to Palo Alto Networks Firewal…
Palo Alto Networks
Palo Alto Firewall Configuration Options. Tap Mode, Vi…
Our previous article explained how Palo Alto Firewalls make use of Security Zones to process and enforce security policies. This article will explain the…
Palo Alto Networks
How to Fix Palo Alto Firewall “Error: Image File Authe…
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 t…
Popular Topics
Windows Servers
Windows 2003 DHCP Server Advanced Configuration - Part…
In this article, we will cover more advanced DHCP features and topics such as server options, superscopes, multicast scopes, dynamic DNS, DHCP database ba…

VLAN Networks
Dynamic VLANs
Dynamic VLANs were introduced to grant the flexibility and complexity(!) that Static VLANs did not provide. Dynamic VLANs are quite rare because of their…
Network Protocol Analyzers
How to Perform TCP SYN Flood DoS Attack & Detect it wi…
This article will help you understand TCP SYN Flood Attacks, show how to perform a SYN Flood Attack (DoS attack) using Kali Linux & hping3 and correct…
Cisco Switches
Cisco 4507R+E Layer 3 Installation: Redundant WS-X45-S…
It's no news that we here at Firewall.cx enjoy writing about our installations of Cisco equipment and especially devices that we don’t get to see and play…