Archive for January, 2012

If you are wondering how to block a website from opening then one of the possible ways to block it is using hosts file. Hosts is a file that contains lists of host names and its mapping IP addresses , Operating System first looks into the hosts file that is located in your PC and then queries the DNS for relative IP address of the host name.   The Possible location of hosts file for your windows is Windows 95/98/Me c:\windows\hosts Windows NT/2000/XP Pro c:\winnt\system32\drivers\etc\hosts Windows XP Home / windows 7 c:\windows\system32\drivers\etc\hosts Now let us look how to block a website. For the websites that don’t have related information in hosts file will be queried DNS to get its IP address, Suppose for the host google.com the IP address is 74.125.236.50, You can  find the ip address of the website you want to by opening command prompt and pinging it using the command ping www.google.com Then it replies like Pinging Read more


Knowing how to write batch files is definitely an added advantage for any person who is using computer , There may be number of situations that you come across day to day life where you have to do laborious work for getting things done , In some cases you can avoid your manual work by writing simple batch files. If you want to write a batch file , it is very simple , Open Notepad and just type the commands that you know in dos in new lines and save it as .bat extension file , that is it . The commands that you have typed will be executed in order of their appearance in the batch file. To Write Comments in Batch Files use either of the following syntaxes REM Comment Line 1 REM Comment Line 2 (or) :: Comment Line 1 :: Comment Line 2 Here are some example batch files for your understanding Example 1 : You Read more


For all those who have been using windows7 here is the way for activating speech recognition future which is provided along with the operating system. All you need to have is just a microphone. Though this feature is not so advanced and can recognize your accent but it is a useful feature to at least play some time around with it. Unlikely to SIRI which recognizes whatever you say windows7 is limited to a set of voice commands and can consume your ram. Let’s first see how to activate it.     First of All you need to set up a Microphone to do this click on “Start” buton and Type “set up microphone” and click on it.   Then you have different possible options for microphone , choose appropriate based on the type of your microphone and click next and follow the screen options where it prompts user to speak “Peter dictates to his computer. He prefers it to Read more


 There are many different techniques people talk about when it comes to hacking. Today lets take  a look at Sniffing individually. Sniffing in networks is something like acting like some other person on your network so that you can receive the data that is intended for some other but since there are some protocols that ensure the CAIN(confidentiality , Authentication, Integrity , Non Repudiation) , we here have to use some techniques to break these properties. First of all NIC (  network interface card ) have a property of passing only the packets that are intended for its own IP and MAC , So we have to set it in promiscuous mode so that it receives all the packets and passes it to the CPU.  There is one more protocol called ARP ( address resolution protocol ) which identifies the addresses of the hosts to where the data should be sent. We have to spoof so that we can get Read more