How To: Capture packets with the Wireshark packet sniffer

Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions. This video tutorial demonstrates how to get the Wireshark packet sniffer up and running to do a capture as well as how to run a traceroute command. To get started hacking with Wireshark, watch this how-to.

How To: Use Wiki Server in Mac OS X

Whether it's a small business or a work group inside a large corporation, all members need access to the same materials in order to work effectively. Mac OS X server makes it easy for groups to collaborate and communicate through their own Wiki-powered Internet website. To learn how to use Wiki Server with Mac OS X Server, watch this video tutorial.

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: 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: Setup an Asterisk Server

Over the years, I have enjoyed playing with Asterisk. I have found Asterisk to be extremely powerful and fun to play with. There are several books and many scattered how to articles out there, but most are outdated and the information required to build Asterisk from beginning to end can be a bit daunting. I wanted to combine all the steps into a single article and share my experience with everyone. If I have left out any steps please let me know.

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: 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: Build APRS on the cheap

Long-time packeteer Bob Bruninga, WB4APR, developed the Automatic Packet Reporting System (APRS), which allows packet radio to track real-time events. It deviates markedly from the usual message- and text-transfer activity. Instead, APRS concentrates on the graphic display of station and object locations and movements.

How To: See who is connected to a computer with netstat

Want to see whether your PC is being accessed by hackers? 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: Set up a network tarpit or teergrube

A network Tarpit, sometimes know by the German word Teergrube, is a service or set of hosts that deliberately try to slow malicious network connections down to a crawl. The idea is to put up unused hosts or services on the network that respond to an attacker, but do things to waste their time and greatly slow their scanning (or spreading in the case of Worms). To follow along with this video tutorial, you'll need a package called LaBrea by Tom Liston and an unused IP address to tarpit. Set up...

How To: Set-up a (dlink DI-524) wi-fi router

First, you will need a surfboard cable modem. You will need a wireless router with an unscrewed antenna and a power cord. Make sure you have two ethernet cord and a computer. First, take the surfboard and screw the cable into it; make sure it is completely tight. Next, take the router and one ethernet cord. Look for the spot that reads WAN; plug the ethernet cable into this spot. Take the other end of the ethernet cable and plug it into the port on the surfboard.

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.

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