Articles That Might Interest:

Network Fundamentals

Securing Your Home Network

In today's world, securing your home network is more important than ever. With the increasing number of cyberattacks, data breaches, and online frauds, protecting your home network from potential thr…

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…

The OSI Model

The OSI Model: Layer 2 - Datalink Layer

The Datalink ensures that messages are delivered to the proper device and translates messages from the Network layer into bits for the Physical layer to transmit. It formats the message into data fra…

Web Application Vulnerability Scanners

Protecting Your Cookies from Cross Site Scripting…

Understanding XSS Vulnerability Attacks This article aims to help you understand how Cross Site Scripting (XSS) attacks work. Cross Site Scripting or XSS can happen in many ways. For example, a…

Domain Name System (DNS)

The DNS Protocol - Part 4: DNS Response Message F…

The previous article covered the DNS Query message formats. In the article we analysed them in great detail and showed how various options are selected by the host using the Flags/Parameters field.&n…

Cisco Switches

Cisco Nexus 7000 Series Module Shutdown and Remov…

This article explains the procedure that should be followed to correctly shutdown/powerdown a Cisco Nexus 7000 series module and remove it from the chassis. We also include important tips that will h…

Cisco Switches

Installation of a Cisco Catalyst 4507R-E Layer 3…

Driven by our thirst for technical material and experience, we thought it would be a great idea to start presenting various installations of Cisco equipment around the globe, especially equipment tha…

Windows Servers

Creating Windows Users and Groups with Windows 20…

In a Windows server environment, it is very important that only authenticated users are allowed to log in for security reasons. To fulfill this requirement the creation of User accounts and Groups is…

Subnetting

IP Subnetting - Part 3: Subnet Mask Bits & Analys…

So we have covered to some depth the subnetting topic, but there is still much to learn ! We are going to explain here the available subnet masks and analyse a Class C network, using a specific subne…

Cisco Firewalls

Upgrading - Uploading AnyConnect Secure Mobility…

This article will show how to download and upload the newer AnyConnect 4.x VPN clients to your Cisco ASA Firewall appliance (5500 & 5500-X Series) and configure WebVPN so that the newer AnyConnec…

Network Cabling

10Base-T/2/5/F/35 - Ethernet

The 10Base-T UTP Ethernet and 10Base-2 Coax Ethernet were very popular in the early to mid 1990's when 100 Mbps network cards and hubs/switches were very expensive. Today's prices have dropped so muc…

SASE & SD-WAN Networks

SASE and VPNs: Reconsidering your Mobile Remote A…

The Virtual Private Network (VPN) has become the go to security solution for keeping communications between networks and endpoints secure. After all, VPNs offer a straightforward, secure method for c…