Articles That Might Interest:

Subnetting

IP Subnetting - Part 1: The Basic Concepts

When we subnet a network, we basically split it into smaller networks. For example, when a set of IP Addresses is given to a company, e.g 254 they might want to "break" (the correct term is "partitio…

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

Microsoft Windows XP - End of Life / End of Suppo…

A Q&A with Cristian Florian, Product Manager For GFI LanGuard On Security Implications & Planning Ahead With Windows XP End of Life & End of Support just around the corner (8th of April…

Routing

The IP Routing Process - Step-by-Step Analysis

We are going to analyse what happens when routing occurs on a network (IP routing process). When I was new to the networking area, I thought that all you needed was the IP Address of the machine you…

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…

Cisco Routers

Configuring NTP on a Cisco Router (NTP Client and…

Network Time Protocol (NTP) is a vital service not only for Cisco devices but almost every network device. Any computer-based device needs to be accurately synchronised with a reliable time source su…

Ethernet Protocol, CSMA/CD, Collisions

The IEEE 802.3 SNAP Frame Format

While the original 802.3 specification worked well, the IEEE realized that some upper layer protocols required an Ethertype to work properly. For example, TCP/IP uses the Ethertype to differentiate b…

Network Protocol Analyzers

How to Reconstruct HTTP Packets/Data & Monitor HT…

HTTP reconstruction is an advanced network security feature offered by nChronos version 4.3.0 and later. nChronos is a Network Forensic Analysis application that captures packets/data around the cloc…

Palo Alto Networks

Complete Guide: Configuring IPSec VPN between Pal…

This article will show you how to configure an IPSec VPN tunnel between a Palo Alto firewall (all PANOS versions) and Meraki MX security appliance. Our comprehensive guide includes IPSec VPN setup fo…

Cisco CallManager-CCME

Cisco CallManager Express Basic Concepts - Part 2

Our previous article, Cisco CallManager Express Basic Concepts - Part 1 covered the very basic concepts of CCME and its operation. This article continues with the Cisco CallManager Express basic conc…

Linux - Unix

Linux File & Folder Permissions

File & folder security is a big part of any operating system and Linux is no exception! These permissions allow you to choose exactly who can access your files and folders, providing an overall…

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

How to View Hidden Files & Folders in Windows 7

This article shows you how to see hiddeen files and folders in Windows 7. Windows 7 hides important system files so that normally, you do not see them while exploring your computer. The reason behin…

Cisco Switches

Forcing A Cisco Catalyst Switch To Use 3rd Party…

Many companies are seeking for Cisco SFP alternatives to help cut down the costs on these expensive modules. A frequent customer problem with Cisco's new line of Catalyst switches is that they do no…