sábado, 25 de junho de 2016

HOW TO CHECK AVAILABLE SERVICE WITH HPING3 - SWEEP FURTIVELY


set:

hping3 --syn -c 1 -p 80 vi4nn4network.blogspot.com



set --syn to receive destinet answer
set -c 1  to define how many packet that you want received
set -p 80 to define the port
set the site that you want test

 when you request with the parameter set --syn you must wait the answer syn ACK, that answer that the service is available on your destiny.

After the command run see the target flags=SA = SYN ACK

 That is when the service is available.




If you start the command  see the target flags=RA = RESET ACK

 That is when the service is not available.


POSSIBLE ANSWER WHEN YOU START THE SWEEP FURTIVELY:

flags = RA (close)
flags = SA (open)
RST-ACK -->close
SYN-ACK -->open
 
ACK = Acknowledgement
SYN = Synchronize

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