Hot Computer Networking How-Tos « Computer Networking

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 Remote Desktop in Windows Server 2003

Remote desktop in windows is set up with these easy to follow steps. First go to your start menu this is in the bottom left corner of your desktop. In the start menu locate your control panel. In the control panel open up your systems folder. Once this is open click the remote tab at the top right of this folder. In this tab you will have the option to check “allow user to connect remotely to this computer.” From here press ok to exit out of the systems folder.Again click the start menu, navi...

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: 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: Use Aircrack-ng to crack a WEP wireless network with no clients

Want to test the security of your WEP WiFi wireless network? In this clip, you'll learn how to use the Backtrack Linux distro and the Aircrack-ng WiFi security app to crack a WEP key. The process is simple. For more information, including step-by-step instructions, and to get started testing the security of your own WiFi networks, watch this hacker's how-to.

How To: Crack a WEP password with version 4 of the BackTrack Linux distribution

Learn how to use the Backtrack Linux distro and the Aircrack-ng WiFi security app to crack a WEP key. The process is simple. For more information, including step-by-step instructions, and to get started testing the security of your own WiFi networks, watch this hacker's how-to.

How To: Hack a WEP-protected WiFi network with BackTrack 3

In this clip, you'll learn how to use the Backtrack 3 Linux distro and Aircrack-ng WiFi security app to crack the password to a WEP-protected wireless network. The process is simple. For more information, including step-by-step instructions, and to get started testing the security of your own WiFi networks, watch this hacker's how-to.

How To: Create and map a network drive on Windows XP

How to create and map a network drive using XP home.

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: Hack LAN passwords with Ettercap

Want to hack a LAN? Well, hacking local area networks is easier than you'd think. And by watching a few short videos, you can become a master hacker, something every techie wants to achieve. And what's the best way to hack a LAN? Ettercap, a password sniffing program.

How To: Send Fax From Computer

Advances in technology continue to make our lives easier and more convenient. If you want to send fax, for instance, you no longer need to own a fax machine. You can easily and quickly send fax directly from your computer in one of several methods, including via an Internet fax service provider or using Windows built-in Fax and Scan tools. Read on how to use an Internet fax service, one of the faster faxing methods, to send fax messages from your PC.

How To: Hack a WEP wifi network on a Mac

This video will teach you how to hack a WEP wifi network on a Mac. You'll need to follow the link, grab the prog and follow the steps. It's not too hard, so give it a try. Remember, stealing is illegal!

How To: Clear the ARP cache

In this tutorial, we learn how to clear the ARP cache. First, go the command prompt on your computer and type in "C:/>netsh interface ip delete arpcache Ok". Press 'enter' on your keyboard and then it should be cleared out. If you want to view your ARP cache, type in the command "C:/>arp -a". If this fails, then you will need to use Microsoft Windows to repair the network connection. If this doesn't work, talk to the person that manages your connection. If successful, this will help make your...

How To: Map networks with Spiceworks

Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to map networks with Spiceworks.

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: Detect hackers on your network with Ettercap

Most of you are familiar with using Ettercap for attacking systems, but what about using it to find attackers? This tutorial will cover using Ettercap to find people sniffing on your network. The plug-ins we will be using are search_promisc, arp_cop and scan_poisoner. Have fun detecting network sniffers. Detect hackers on your network with Ettercap.

How To: Install network cables

Learn the ins and outs of do-it-yourself network cable installation including how to modify other cables into Ethernet cables.

How To: Network computers in your home or office

Whether you are sharing an internet connection, working together or just playing group video games, you will need to network your computers. Check out this tutorial and learn just how easy it is to create a home network.

How To: Detect network intrusions with Wireshark and Snort

This hacking tutorial presents a crash course on the subject of packet analysis and intrusion detection. Two programs receive special emphasis, Wireshark and Snort. For more information, watch this network security video tutorial.

How To: Connect to a Lotus Domino Server from Lotus Notes

Need some IBM Lotus Notes help? Well, check out this video tutorial to learn how to connect to a Lotus Domino Server from Lotus Notes. This is a very quick connection to the Lotus Domino Server from Lotus Notes. Easy to follow.

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: Create a Metasploit Meterpreter executable file

This network security tutorial addresses how to create a Meterpreter reverse connecting executable. It can be ported to a U3 device for pentests. For detailed, step-by-step instructions on how to create Meterpreter executable, or .exe, files, watch this hacking how-to.

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: Clear your Microsoft Windows Server 2008 DNS server's cache

You may need to perform routine maintenance on your DNS server from time to time by clearing the cache. Servers keep records of the lookups they have performed, and when they become resolved records they can be cleared. Follow the instructions of this how to video to clear the DNS cache in Microsoft Windows Server 2008.

How To: Subnet Using CIDR Notation

This video will show you how to subnet using CIDR notation. If you're curious about how to determine networks, subnet masks, broadcast addresses and what makes a host range valid. A great video for anyone currently studying computer networking technology.

How To: Hide your IP address to surf the web anonymously

This video tutorial will show you how to hide/change your IP address so that you can bypass websites that have blocked your IP address or so that you can surf anonymously. The websites used in this video are cmyip.com

How To: Crack a WEP or WPA key on a Linux PC with GRIM WEPA

In this clip, you'll learn how to crack a WEP or WPA key on a GNU/Linux computer with GRIM WEPA. The process is simple. For more information, including step-by-step instructions, and to get started testing the security of your own WiFi networks, watch this hacker's how-to.

How To: Use SSLStrip to remove encryption from browser

You should encrypt everything. These are what you need: BackTrack 4,0, modify IP tables, Python and ARPspoofing. Program the PC to flip to forwarding mode. Adjust the programming in the IP tables. You are convincing the host and the client that the man (PC) in the middle is the host and capture passwords, user names and other information from unsuspecting clients. This program strips the "S" from "https" which make your computer vulnerable to hackers. You need to observe the address bar and m...

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: Encrypt a Linksys router with WPA password protection

In this video tutorial, viewers learn how to set and encrypt your Wi-Fi password using WPA on a Linskys router. Begin by opening your web browser and type in the address: Click Enter. Now type in your user name and password, and click OK. Then click on the Wireless tab and select Wireless Security. In the Security Mode drop-down menu, select WPA Pre-Shared Key and then type in a password under WPA Shared Key. Finish by clicking on Save Changes. This video will benefit th...

How To: Crack a WPA encrypted wireless network

In this how to video, you will learn how to crack a WPA encrypted wireless network. To do this, you will need the Air Crack package for Linux. First, disable the wireless adapter and enable monitor mode. Next, identify the channel in the wireless network and Mac address. Once you have this, you can listen to the traffic coming to and from this point. Wait for the handshake or disconnect something in order to force it to reconnect. From here, you are ready to perform the attack. With any encry...

How To: Spoof the MAC address of a Windows XP PC

This video tutorial from tarunkumarsinghal shows how to change Mac address on Windows XP. Click Start menu and then Control Panel. Make sure control panel window is in classic view mode. If not, change it to classic from the left pane.

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: Configure a standard modem/router to the Internet

Steps to Configure Your Modem/Router are: 1. Open Network connection and click properties

How To: Configure a router for Wifi

Llewyn demonstrates how to configure your router for Wifi. Access the router by opening up your internet browser and typing in your router's IP address. That will bring up the router configuration page. Now, click on the wireless tab. You can set the wireless network mode to accommodate your computers. As a precaution, set the mode to mixed for greater flexibility. Set your wireless SSD broadcast to enable which will enable your wireless card to actually see the webpage and the internet. You ...

How To: Evade school firewall, secure traffic tunneling & more

Hak5 is at it again, with a plethora of somewhat accessible solutions to your technological problems. If you've ever needed to get through your school's firewall, or secure traffic tunneling, or try out applications in a fast, efficient manner? This video has it all and more.

How To: Control your PC from anywhere

Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast.

How To: Build a free XMPP/Jabber server in ten minutes

Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to build a free XMPP/Jabber server in ten minutes.

How To: Access your home computer remotely with dynamic DNS

This is a great solution if you need to get something off your computer, but you are not home. Want access to your files stored at home? How about hosting a home web server? Static IPs are expensive, if you can even get one. We set up Dynamic DNS instead!

How To: Hack an Oracle database

In this installment from the Unorthodox Hacking series of Internet security tutorials, you'll learn how to get a shell on an Oracle database. To see how to pop a shell from within Oracle or even perform a port scan from the database itself, watch this hacking how-to.