Networking Basics: Part 17 – The OSI Model
How the OSI model is used to help applications to communicate across a network. Suppose that an application needs to be able to communicate across the network. The application developer …
Networking Basics: Part 18 – Sharing Resources
This article continues the Networking for Beginners series by explaining how to make resources available on a network. In the previous article, I talked about the OSI model and how …
Networking Basics: Part 19 – Share Level Permissions
This article continues the Networking for Beginner series by talking about the difference between file level and share level permissions. In the previous part of this article series, I began …
LAN access for Wireless Clients without an Access Point
Here’s the problem. You’re cheap…huh? 🙂 … have one or two wireless laptops that you want to get connected to your LAN, and don’t want to buy an access point …
When Wireless LANs Collide: How to Manage Multiple WLANs
Introduction Wireless networks are wonderful things – when they work! But many consumers find that even if they manage to get their WLAN (wireless LAN) working, keeping it up and …
Windows Server 2003 DNS Server Setup
About DNS (Domain Name System). This tutorial documents the steps needed to create an internal DNS Server that will allow you to use “friendly” names within your LAN (Local Area …
Understanding Routers, Switches, and Network Hardware
Today we’re taking a look at the home networking hardware: what the individual pieces do, when you need them, and how best to deploy them. Read on to get a …
Dynamic Host Configuration Protocol (DHCP) Intro
Let’s imagine you’re a system administrator at a large company. You are implementing a new network of several hundred computers. All is fine and well until you realize: you have …
How to Subnet a Network
A properly designed subnet can do wonders for the security and performance of a network. The main idea in subnetting is to divide a network into smaller pieces, which we …
How To: Getting VPN to work through NAT firewalls
With the rising popularity of telecommuting and the increasing need to protect their electronic assets, companies large and small have been turning to Virtual Private Networking (VPN). The good news …