Articles That Might Interest:

Routing

Routed Protocols

We all understand that TCP/IP, IPX-SPX are protocols which are used in a Local Area Network (LAN) so computers can communicate between with each other and with other computers on the Internet. Chanc…

Cisco Switches

Cisco 4507R+E Layer 3 Installation: Redundant WS-…

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 with every day. Today we cover the installat…

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…

Network Protocols

IPSec - Internet Protocol Security

IPSec is one of the new buzz words these days in the networking security area. It's becoming very popular and also a standard in most operating systems. Windows 2000 fully supports IPSec and that's m…

Network Cabling

Serial Direct Cable Connection, DB9, DB25, COM Po…

This article covers the popular serial ports on workstations, servers and laptop computers. We cover serial data transfer, port pinouts, port speeds, serial interface types (DB9 & DB25), null mod…

Linux - Unix

Linux BIND DNS - Part 5: Configure Secondary (Sla…

Setting up a Secondary (or Slave) DNS sever is much easier than you might think. All the hard work is done when you setup the Master DNS server by creating your database zone files and configuring th…

Virtualization & VM Backup

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 2.0 (TPM 2.0) requirement. We've also made the&nbs…

Linux - Unix

Configuring Linux Samba (SMB) - How to Setup Samb…

Resource sharing, like file systems and printers, in Microsoft Windows systems, is accomplished using a protocol called the Server Message Block or SMB. For working with such shared resources over a…

Linux - Unix

Finding More Information On The Linux Operating S…

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 these are problems with the operating system…

Network Address Translation - NAT

Network Address Translation (NAT) Concepts

Before we dive into the deep waters of NAT, we need to make sure we understand exactly what NAT does. So let me give you the background of NAT, why it's here today and how it works. Even though there…

VLAN Networks

The VLAN Concept - Introduction to VLANs

We hear about them everywhere, vendors around the world are constantly trying to push them into every type of network and as a result, the Local Area Network (LAN) we once knew starts to take a diffe…

Web Application Vulnerability Scanners

Web Application Vulnerabilities – Benefits of Aut…

This article examines the differences between logical and technical web application vulnerabilities which tends to be a very confusing topic especially for web application developers and security – p…