MS Server Articles:
Windows Servers
How to Enable & Configure Shadow Copy for Shared…
When you shadow copy a disk volume, you are actually generating a snapshot of the changes made to the folders and files within the disk volume at a c…
Windows Servers
Windows 2003 DHCP Server Advanced Configuration -…
Part 1 of our Windows 2003 DHCP Server Advanced Configuration article explained the creation and configuration of DHCP Scope options and how to confi…
Windows Servers
Installing Windows Server 2012 Active Directory v…
This article serves as an Active Directory tutorial covering installation and setup of a Windows 2012 Domain Controller using Windows Server Manager…
Windows Servers
Introduction to Windows DNS – The Importance of D…
The Domain Name System (DNS) is perhaps one of the most important services for Active Directory. DNS provides name resolution services for Active Dir…
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Virtualization & VM Backup Articles:
How to Enable or Disable SSH on VMware ESXi via W…
SSH access to VMware’s ESXi server is by disabled by default however there are many reasons where SSH might be required. VMware and System administra…
How to Enable SNMP on VMware ESXi Host & Configur…
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 all…
5 Most Critical Microsoft M365 Vulnerabilities Re…
Microsoft 365 is an incredibly powerful software suite for businesses, but it is becoming increasingly targeted by people trying to steal your data…
Ultimate Guide: Install Windows 11 on VMware ESXi…
In this article, we’ll show you how to setup or install Microsoft Windows 11 on VMware’s ESXi servers and bypass the Trusted Platform Module version…
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Linux - Unix
Linux BIND DNS - Part 4: Common BIND Files - Named.loc…
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, de…
Linux - Unix
Finding More Information On The Linux Operating System
Since this document merely scratches the surface when it comes to Linux, you will probably find you have lots of questions and possibly problems. Whether…
Linux - Unix
Linux BIND DNS - Part 6: Linux BIND - DNS Caching
In the previous articles, we spoke about the Internet Domain Hierarchy and explained how the ROOT servers are the DNS servers, which contain all the infor…
Linux - Unix
The Linux File System
A file system is nothing more than the way the computer stores and retrieves all your files. These files include your documents, programs, help files, gam…
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VLAN Networks
VLANs - IEEE 802.1q Trunk Link Protocol Analysis
While the VLAN Tagging article briefly covered the IEEE 802.1q protocol this article will continue building upon it by further analyzing the IEEE 802.1q T…
Cisco Routers
How To Configure DHCP Server On A Cisco Router
DHCP (Dynamic Host Configuration Protocol) is the protocol used by network devices (such as PCs, network printers, etc) to automatically obtain correct ne…
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…
Cisco Routers
Disabling Cisco Router Password Recovery Service
Most Cisco engineers are aware of the classic Password-Recovery service Cisco equipment have. If the device's credentials are lost, then performing the Pa…







