Articles That Might Interest:

The OSI Model

The OSI Model: Layer 7 - Application Layer

The Application layer of the OSI model is where users communicate with the computer. The Application layer is responsible for identifying and establishing the availability of the intended communicati…

ICMP Protocol

ICMP Protocol - Part 2: Echo / Echo Reply (Ping)…

As mentioned in the previous page, an Echo is simply what we networking engineers call a 'ping'. The Echo Reply is, as most would guess, the 'ping reply'. ICMP Echos are used mostly for trouble…

Virtualization & VM Backup

Ultimate Guide: Install Windows 11 on VMware ESXi…

In this article, we’ll show you how to setup or install Microsoft Windows 11 on VMware’s ESXi servers and bypass the Trusted Platform Module version 2.0 (TPM 2.0) requirement. We've also made the&nbs…

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

How to View Hidden Files and Folders In Windows 8…

Windows 8 & 8.1 hides two types of files so that normally, you do not see them while exploring your computer. The first type is the files or folders with their 'H' attribute set to make them hidd…

OpManager - Network Monitoring & Management

Free Webinar: Enterprise-Grade Security and Manag…

The hybrid work culture has resulted in workforces increasingly using their mobile devices for work, further adding to the complexity of ensuring security across all endpoints within organizations…

Cisco Routers

How To Secure Your Cisco Router Using Cisco AutoS…

In today’s complex network environments securing your network routers can be a daunting task, especially when there are so many CLI commands and parameters with different security implications for yo…

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…

Network Cabling

Serial Direct Cable Connection, DB9, DB25, COM Po…

This article covers the popular serial ports on workstations, servers and laptop computers. We cover serial data transfer, port pinouts, port speeds, serial interface types (DB9 & DB25), null mod…

Network Fundamentals

Network Data Transmission

Network data transmission refers to the process of sending and receiving information between two or more devices connected to a network. It is a critical aspect of modern-day networking, and it enabl…

Cisco Routers

Troubleshooting PPP Internet Connection On A Cisc…

The Point-to-Point Protocol is one of the most popular protocols around used by engineers, ISPs and companies around the globe for authentication of remote users & router equipment. The most com…

Windows Servers

How to Install and Configure SNMP for Windows Ser…

Simple Network Management Protocol (SNMP) is a UDP protocol that uses port 161 to monitor and collect detailed information on any network device supporting the SNMP protocol. All Windows servers supp…

Cisco Routers

Cisco GRE and IPSec - GRE over IPSec - Selecting…

GRE Tunnels are very common amongst VPN implementations thanks to their simplicity and ease of configuration. With broadcasting and multicasting support, as opposed to pure IPSec VPNs, they tend to b…