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Cisco Switches
Configuring SPAN On Cisco Catalyst Switches - Mon…
Being able to monitor your network traffic is essential when it comes to troubleshooting problems, performing a security audit or even casually checking your network for suspicious traffic.
Back in…
Cisco Wireless
Understanding, Configuring & Tweaking Web-based C…
Cisco Aironet Access Points, just like most Cisco devices, provide a web interface from which we are able to configure the device. It is often we are presented with a number of options and settings…
Cisco Switches
DHCP Option 82 Message Format, Analysis. DHCP Sno…
This article provides in-depth analysis of DHCP Option 82 (DHCP Relay Agent) which is one of the +180 DHCP Options available to the DHCP protocol and used by the Bootstrap Protocol (BOOTP) used for a…
Windows Workstations (XP, 7, 8, 10, 11)
How to Add and Remove Applications from Windows 8…
In this article, we'll show you how to add (pin) and remove (unpin) any application from the Windows 8 or Windows 8.1 Metro Start Screen. Tiles or the small squares and rectangles appearing on the Wi…
Linux - Unix
Installing & Configuring VSFTPD FTP Server for Re…
Vsftpd is a popular FTP server for Unix/Linux systems. For thoes unaware of the vsftpd ftp server, note that this is not just another ftp server, but a mature product that has been around for over 12…
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…
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…
Cisco Routers
Cisco Router Basics
This article will focus on Cisco's routers which can be found in almost any organization due to their popularity and market penetration. Cisco has a number of different routers, amongst them are the…
TCP - UDP Protocol Analysis
TCP Header Anaylsis - Section 6: TCP Options
The TCP Options (MSS, Window Scaling, Selective Acknowledgements, Timestamps, Nop) are located at the end of the TCP Header which is also why they are covered last. Thanks to the TCP Options field we…
Virtualization & VM Backup
Understanding Deduplication. Complete Guide to De…
When considering your VM backup solution, key features such as deduplication are incredibly important. This is not simply from a cost perspective but also an operational one. While is it true that de…
Cisco Switches
Resolving Cisco Switch & Router ‘DHCP Server Pool…
In previous articles, we showed how it is possible to configure a Cisco router or Catalyst switch to provide DHCP server services to network clients. Everything usually works without a problem, howev…
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…
Wi-Fi Key Generator
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