DOS ATTACK  <=>    Denial-of-service attack

What is Dos Attack ?

A denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer or network resource unavailable to its intended users

A DoS attack can be perpetrated in a number of ways. The five basic types of attack are:

* Consumption of computational resources, such as bandwidth, disk space, or processor time.
** Disruption of configuration information, such as routing information.
** Disruption of state information, such as unsolicited resetting of TCP sessions.
*** Disruption of physical network components.
****Obstructing the communication media between the intended users and the victim so that they can no longer communicate adequately.

A DoS attack may include execution of malware intended to

* Max out the processor's usage, preventing any work from occurring.
** Trigger errors in the microde of the machine.
*** Trigger errors in the sequencing of instructions, so as to force the computer into an unstable state or lock-up.
**** Exploit errors in the operating system, causing resource starvation and/or thrashing, i.e. to use up all available facilities so no real work can be accomplished.
***** Crash the operating system itself                              [Wikipedia help]

How To Put a DOS ATTACK In Different Ways

Heres' the SECRET

First Method :: DOS Attack by CMD (command prompt)

open ur cmd (window key + r)

then type nslookup for the website ip

for eg. nslookup

after finding the ip now ready for dos attack

type in command
ping website-IP -l 65500 -n 10000000 -w 0.00001

-n 10000000= the number of DoS attemps.. u can change the value "10000000" with ur desiredvalue u want to attempt attack.

website-IP= Replace the text with the ip address of the site u want to be attacked..

-w 0.00001 = It is the waiting time after one ping attack.

for eg: if the ip address is 

just type

ping -l 65500 -n 10000000 -w 0.00001

Dos attack with backtrack ::

Open ur konsole and type these method and ur done

Step *
host (website name )   [get the ip address of website]

Step **
hping -i u100 -S -p 80 (ipaddress of website)

Dos attack with LOIC Software

All the above method are manual method :: now here goes a software name call LOIC

Loic is a tool used for DDOS (distributed denial-of-service) attack on a website!

To download the LOIC software => Click on me

Note ::  Dos attack can be done or they are just effective for the small website :: do not put dos attack on big website it will not work :: or try to have 40 to 50 computers to put dos attack on big website and never put dos attacks on google, yahoo, bing :: these big website u will be caught and no use will be made of ur dos attack ::

Now fun with Dos attack
** Put dos attack on some ones computer ip his computer internet gets slow :: even computer also gets hang ::

** Put Dos attack on some ones wifi (BSSID) :: wifi connection speeds gets slow and the all the person using wifi gets low or very slow speed of internet ::

Do all hackings and tricks for ethical use


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