Articles That Might Interest:

Cisco Routers

How To Fix Cisco Configuration Professional (CCP)…

Our previous article covered how to fix the Cisco Configuration Professional display/window problem where the CCP application is displayed in about one third of the browser’s window. Users looking fo…

Cisco Data Center (Nexus/UCS)

The Complete Cisco Nexus vPC Guide. Features & Ad…

Cisco virtual Port Channel (vPC) is a virtualization technology, launched in 2009, which allows links that are physically connected to two different Cisco Nexus Series devices to appear as a single p…

Network Protocol Analyzers

How to Detect P2P (peer-to-peer) File Sharing, To…

Peer-to-Peer file sharing traffic has become a very large problem for many organizations as users engage in illegal (most times) file sharing processes that not only consumes valuable bandwidth, but…

Domain Name System (DNS)

The DNS Protocol - Part 2: DNS Queries & Resoluti…

This section will help you understand how the DNS queries work on the Internet and your home network. There are two ways to use the domain name system in order to resolve a host or domain name to an…

Windows Servers

Windows Server 2016 VM Backup with Altaro's New V…

Altaro has released Altaro VM Backup, a faster and lighter upgrade to its flagship Hyper-V and VMware backup solution, which now supports all Windows Server editions and includes several highly-reque…

Network Address Translation - NAT

Static NAT - Part 2

The previous page (Static NAT - Part 1) helped us understand what exactly happens with Static NAT and how it works, and we saw a few examples of how to use it in various network configurations. This…

Linux - Unix

Linux BIND DNS - Part 4: Common BIND Files - Name…

So far we have covered in great detail the main files required for the firewall.cx domain. These files, which we named db.firewall.cx and db.192.168.0, define all the resouce records and hosts availa…

TCP - UDP Protocol Analysis

TCP Header Anaylsis - Section 2: TCP Sequence & A…

This page will closely examine the Sequence and Acknowledgement numbers. The very purpose of their existence is related directly to the fact that the Internet, and generally most networks, are packet…

SASE & SD-WAN Networks

WAN Optimization vs SD WAN Networks. Today’s Chal…

Enterprises have been successfully running WAN optimization appliances at their many distributed sites for years. The devices have done a good job of helping businesses squeeze as much capacity as po…

Security Service Edge (SSE)

Security Service Edge (SSE) Limitations & Disadva…

This article explores the Security Service Edge (SSE) portion of Secure Access Service Edge (SASE) and the need for holistic cybersecurity protections. We lightly touch upon the drivers for tighter…

Cisco CallManager-CCME

Configuring CallManager Express (CME) To Support…

Cisco is continuously developing its CallManager Express product, introducing new features and services to help keep up with its customers' and the market’s demands. With the rapid increase of the m…

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…