Hot Computer Networking How-Tos

How To: Easily open your NAT on a ZyXel router

In this Computers & Programming video tutorial you will learn how to easily open your NAT on a ZyXel router. There are three steps involved in doing this. Open your web browser and type in the router IP address which is normally http://192.168.1.1. Then you will get the log in page. The password is either 1234 or admin. It will be written on the packaging of the router. On the next page click on UPNP, then check all three boxes and click 'apply'. Then you click on NAT and set the start and en...

How To: Hack a weak WPA wireless network

This video tutorial presents instructions on hacking a weak Wi-Fi Protected Access, or WPA, wireless network. To follow along, and replicate this hack yourself, you'll need knowledge of the deauthentication, or DeAuth, process. For more information, and to get started hacking WPA networks for yourself, watch this hacking how-to.

How To: Set up a Linksys WR54g or WRT54g2 wireless router

This video tutorial is in the Computers & Programming category which will show you how to set up a Linksys WR54g or WRT54g2 wireless router. First you connect to your Linksys router. Then go to http://192.168.1.1 and type in "admin' as your password in to log in window and click "log in'. then go to the "wireless' tab and enter your wireless network name. In the wireless channel select '11 2.462GHz' and click save. Next go to "wireless security' and type in the wireless network key. This is t...

How To: Set up an HP wireless printer

In this tutorial, we learn how to set up an HP wireless printer. First, click "setup" on the printer, then go to "network", then "wireless setup wizard". The printer will now go through the setup process and show you available wireless networks in your area. If your network requires a password, enter it by typing it in with the keypad. Now, install the software to any computer and wait for the blue wireless light to turn on. When this is done, you will be able to print wirelessly from any com...

How To: Detect hackers with netstat

Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Unix, Unix-like, and Windows NT-based operating systems. This video tutorial presents a basic introduction to working with the netstat tool. Determine whether you've been hacked with this how-to.

How To: Make an email server on your home computer

Learn how to make an e-mail server on your home computer to host your own web page and webmail service by following the steps outlined in this video tutorial. You will need a web server, an e-mail server, and a webmail interface. For the server, the most common program is WampServer, which you will need to download. Run through the installation process and grant the program access to your fire. Click on the new icon on your desktop and click Put Online and then Start All Services. This will g...

How To: Disable Wi-Fi SSID broadcast on a Linksys router

In this video tutorial, viewers learn how to disable their Wi-Fi SSID broadcast on a Linksys's router. Begin by opening your web browser and type in this address: Press Enter to access the page. Then type in your user name and password. Click OK. Now click on the Wireless tab and check Disable under "Wireless SSID Broadcast". Finish by clicking on Save Changes. This video will benefit hose viewers who use a Linksys's router, and would like to learn how disable their broa...

How To: Use DNS spoofing in Ettercap

In this video, you'll find instructions on how to use the Ettercap plug-in dns_spoof to set up DNS spoofing on a local area network. This Ettercap plug-in is ony one potential way to pull of DNS spoofing, and only works if the attacker is on the same subnet. To get started DNS spoofing with Ettercap, press play! Use DNS spoofing in Ettercap.

How To: Hack a network with Nessus 3

The Nessus vulnerability scanner, is the world-leader in active scanners, featuring high speed discovery, configuration auditing, asset profiling, sensitive data discovery and vulnerability analysis of your security posture. Nessus scanners can be distributed throughout an entire enterprise, inside DMZs, and across physically separate networks. In this network security video tutorial, you'll learn how to hack a network using Nessus 3.

How To: Disable Wi-Fi SSID broadcast on an Apple AirPort

How to disable Wi-Fi SSID broadcast on an Apple AirPort in seven simple steps. Open your AirPort Admin Utility application. Find your network's name and double-click it or press the Configure button on the bottom right of the screen. Enter your password and click OK. The Configure "Apple AirPort Express" Base Station should open. Click on AirPort tab. Select the "Create a closed network" check box. Click OK on the dialogue box. Click the Update button on the lower right part of your screen. D...

How To: Set up an Airport Extreme for outside computer access

This simple video tutorial explains how to use Airport Utility to configure your Airport Extreme so you can access your Apple computer remotely for file and screen sharing. It explains how to setup DHCP IP reservations and port forwarding using Manual Setup option of the Airport Utility. Considering that the tutorial becomes a little bit technical during the second part, this tutorial is aimed at users who already have at least some knowledge and/or experience setting up a network. Absolute b...

How To: Use the Hacker Defender rootkit or HackDef

Hacker Defender is one of the most widely deployed rootkits in the world. It is a user-mode rootkit that modifies several Windows and Native API functions, which allows it to hide information (files, processes, etc.) from other applications. In addition, Hacker Defender implements a backdoor and port redirector that operates through TCP ports opened by existing services. This means it is not possible to find the hidden backdoor through traditional means, like launching a remote port scan agai...

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