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: 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: Use salty hashes to keep passwords secure

In this tutorial, we learn how to use salty hashes to keep passwords secure. A hash is stored in a database that is hashed with an algorithm, so not everyone can see exactly what your password is. When you type your password into a website, it doesn't actually register as words, it registers as a hash. This keeps your passwords secure so not everyone can see them. Salting is when you use random pits and attaching them to your regular hashes so not every password is the same. The salt is what ...

How To: Crack a computer running a telnet daemon with Brutus

Brutus, first made available in 1998, is one of the fastest, most flexible remote brute-force password crackers you can get your hands on - it's also free. It is available for Windows 9x, NT and 2000. In this video tutorial, you'll learn how to use Brutus to crack a Linux box a running telnet daemon. For more information, and to get started hacking with Brutus yourself, watch this video tutorial.

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: 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...

How To: Set up the Cain & Abel network security tool

First you have to install program, called 'Cain and Abel'. Then, you will be automatically asked to install 'Win Pcap' and you should do that. After installation you have to click on 'Cain and Abel' program icon with right mouse button and start it as administrator. Then push blue plus sign to scan Mac addresses. After scanning go to the bottom of program window and press APR tab. Then push blue plus icon again. When table appears push first option in first square and first option in second a...

How To: Remotely administer a Netgear wireless router

If you want the ability to change router settings remotely, then you'll have to change some settings. This clip will show you how it's done. It's easy! So easy, that this video tutorial can present a complete, step-by-step overview of the process in about three and a half minutes. For more information, including detailed, step-by-step instructions, watch this video guide.

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...

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