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Network Cabling

USB Direct Cable Connection, USB Versions, Spec...

Today, Serial and Parallel Direct Cable Connections are considered obsolete methods of transferring data between computers. The fact is that even USB Direct Cable Connection (DCC), is not all that ...

Cisco Services & Technologies

Comparing Cisco VPN Technologies – Policy Based...

Virtual Private Networks constitute a hot topic in networking because they provide low cost and secure communications between sites (site-to-site VPNs) while improving productivity by extending cor...

Windows Servers

Easy, Fast & Reliable Hyper-V & VMware Backup w...

As more companies around the world adopt the virtualization technology to increase efficiency and productivity, Microsoft’s Hyper-V virtualization platform is continuously gaining ground in the glo...

Windows Servers

Installation and Configuration of Fine-Grained ...

Microsoft introduced Fine-Grained Password Policy for the first time in Windows Server 2008 and the policy has been part of every Windows Server since then. Fine-Grained Password Policy allows over...

Network Protocol Analyzers

How to Perform TCP SYN Flood DoS Attack & Detec...

This article will help you understand TCP SYN Flood Attacks, show how to perform a SYN Flood Attack (DoS attack) using Kali Linux & hping3 and correctly identify one using the Wireshark protoco...

Cisco CallManager-CCME

Cisco CallManager Express CME v8.8 & v9.0 GUI W...

Cisco's CallManager Express GUI interface is an important part of the CallManager Express product as it provides the ability to administer CME via a web browser. Generally, the CME GUI interface is...

Network Protocols

Understanding VPN IPSec Tunnel Mode and IPSec T...

IPSec’s protocol objective is to provide security services for IP packets such as encrypting sensitive data, authentication, protection against replay and data confidentiality. As outlined in our ...

IP Protocol

IP Protocol - Part 1: Binary & The Internet Pro...

To understand the Internet Protocol, we need to learn and understand Binary. It is very important to know and understand Binary because part of the IP protocol is also the "Subnetting" section whic...

Cisco Routers

How to Restrict Cisco IOS Router VPN Client to ...

In our article Cisco VPN Client Configuration - Setup for IOS Router we explained how to setup up a Cisco IOS router to support Cisco IPSec VPN clients, allowing remote users to securely conn...

Cisco Services & Technologies

Comparing DMVPN Single Tier and Dual Tier Heade...

This article extends our DMVPN article series by answering common questions regarding the differences between Single Tier Headend and Dual Tier Headend architectures. When hearing the DMVPN terms ...

Web Application Vulnerability Scanners

Understanding, Avoiding & Protecting Against Cr...

This article explains what a web browser cookie is and examines how Cross Site Request Forgery work by allowing hackers to intercept and access web browser cookies from unaware users trying to...

Spanning Tree Protocol (STP)

Spanning Tree Protocol – Part 2: Rapid STP Port...

Spanning Tree Protocol, Rapid STP port costs and port states are an essential part of the STP algorithm that affect how STP decides to forward or block a port leading to the Root Bridge. In our pr...