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Network Protocol Analyzers

Advanced Network Protocol Analyzer Review: Colaso…

Firewall.cx has covered Colasoft Capsa several times in the past, but its constant improvements make it well worth revisiting. Since the last review, the version has bumped from 7.6.1 to 11.1.2+, kee…

Cisco Switches

Password Recovery / Password Reset Procedure for…

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 startup configuration. The Cisco password recovery p…

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 and technology practice, as users are becoming more…

Windows Servers

Guide to Windows Server 2016 Hyper-V Hypervisor…

One of Windows Server 2016 highlights is the newer Hyper-V server that not only extends the hypervisor’s features and capabilities but also introduces a number of new enhancements and concepts that t…

Linux - Unix

Linux BIND DNS - Part 4: Common BIND Files - Name…

So far we have covered in great detail the main files required for the firewall.cx domain. These files, which we named db.firewall.cx and db.192.168.0, define all the resouce records and hosts availa…

Linux - Unix

Why Use Linux?

The first question is - what are the benefits of using Linux instead of Windows? This is in fact a constant debate between the Windows and Linux communities and while we won't be taking either side…

Cisco Routers

Cisco Type 7 Password Decrypt / Decoder / Crack T…

The Firewall.cx Cisco Password Decoder Tool (see below) provides readers with the ability to decrypt 'Type 7' cisco passwords. For security reasons, we do not keep any history of decoded passwords…

ManageEngine Firewall Analyzer

Master Your Firewall: 6 Expert-Backed Steps to Bo…

In today’s evolving threat landscape, firewall audits are more than just a best practice—they're a critical line of defense. Regular audits ensure your firewall configurations are aligned with organi…

Windows Workstations (XP, 7, 8, 10, 11)

How to Join a Windows 8, 8.1 Client to Windows Do…

In this article, we will show how to add a Windows 8 or Windows 8.1 client to a Windows Domain / Active Directory. The article can be considered an extention to our Windows 2012 Server article coveri…

Windows Servers

Windows 2003 DHCP Server Advanced Configuration -…

In this article, we will cover more advanced DHCP features and topics such as server options, superscopes, multicast scopes, dynamic DNS, DHCP database backup and restoration, DHCP migration, and DHC…

Palo Alto Networks

Complete Guide to Upgrading Palo Alto Firewall PA…

Upgrading your Palo Alto Firewall or Panorama Management System to the preferred PAN-OS release is always recommended as it ensures it remains stable, safe from known vulnerabilities and exploits but…

Network Address Translation - NAT

Network Address Translation (NAT) Overload - Part…

In our previous article, Network Address Translation (NAT) Overload - Part 1, we explained what NAT Overload is and how it works. This page deals with the analysis of the packets that traverse a NAT…