Articles That Might Interest:

Cisco Wireless

Cisco Aironet 1242AG /1240 - Multiple SSID & 80…

This article explains how the Cisco 1240 series access point can be setup to provide support for multiple SSID, each SSID assigned to a separate VLAN. This type of configuration is id…

Cisco Routers

Cisco Router Password Recovery

Password recovery is a fairly frequently used procedure for administrators and engineers. Even though we usually stack our passwords in some word, excel or text file, it's very easy to forget to upda…

VPN Services & Guides

Best VPN Review: StrongVPN. Download Speed Τest…

StrongVPN is one of the most popular VPN service around the world. With a presence in over 23 countries,+650 servers, cheap prices, Strong Encryption and blazing fast download speeds – it rightf…

Virtualization & VM Backup

Differences Between VMware vSphere, vCenter, ESXi…

In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edition: vSphere Standard, Enterprise plus and Plantiu…

Web Application Vulnerability Scanners

Acunetix Enterprise: Find Website - Web Applicati…

Security researchers disagree about the percentage of vulnerable websites, but most concur that it’s way too high. Despite their long history, attackers continue to use cross-site scripting (XSS), SQ…

The OSI Model

Data Encapsulation & Decapsulation in the OSI Mod…

Here we are going to explain in detail how data travels through the OSI model. You must keep in mind that the OSI model is a guideline. It tells the computer what it's supposed to do when data needs…

Web Application Vulnerability Scanners

Differences between Network & Web Application Sec…

According to Wikipedia, security is defined as the degree of resistance to, or protection from, harm. It applies to any vulnerable and valuable asset which in almost all cases, will include an organi…

Ethernet Protocol, CSMA/CD, Collisions

The Ethernet II Frame Format

The following is a description of the frame format described by the original Ethernet Version II specification as released by DEC, Intel, and Xerox. Like the 802.3 spec, the Version II spec defines a…

Domain Name System (DNS)

The DNS Protocol - Part 1: Introduction

If you ever wondered where DNS came from, this is your chance to find out ! The quick summary on DNS's history will also help you understand why DNS servers are run mostly on Linux and Unix-type syst…

Virtualization & VM Backup

World Backup Day with Free Amazon Voucher and Pri…

Celebrate World Backup Day and WIN with Altaro! We all remember how grateful we were to have backup software when facing so many data loss mishaps and near-catastrophes. If you manage your compa…

Cisco Routers

MPLS Case Study: Why Route Summarization is not R…

MPLS generates Implicit Null label (The Implicit NULL label is the label that has a value of 3) for directly connected interfaces and for the summary routes. Label Switch Router (LSR) generates this…

Cisco CallManager-CCME

CallManager Express GUI Software Installation & C…

Cisco CallManager Express, also known as CME or CCME, runs on both Cisco ISR Routers and UC500 platform, including UC520, UC540 and UC560. CallManager Express's PBX functionality is built into the I…