Monday , 16 January 2017

How to View SYN-Flood attack using the Command Prompt

How to View SYN-Flood attack using the Command Prompt ?

SYN Flood Attack :-

  • An arriving SYN sends the “connection” into SYN-RCVD state
  • It can stay in this state for quite a while, awaiting the acknowledgment of the SYN+ACK packet, and tying up memory
  • For this reason, the number of connections for a given port in SYN-RCVD state is limited
  • Further SYN packets for that port are dropped
  • The trick is the address forgery — if the attacker impersonates a non-existent host, neither the SYN+ACK nor a RST will ever arrive
  • The port is thus blocked

How to View SYN-Flood attack using the Command Prompt

I am going to show you how you can easily detect the SYN-Flood attack on the server using command prompt.                                                                                                                It,s very easy to find out. Just open the command prompt and type the following command

C:>  netstat –n –p TCP 

How to View SYN-Flood attack using the Command Prompt

How to View SYN-Flood attack using the Command Prompt

If you are seeing only SYN_RECV, means you are under SYN-Flood attack.

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About Syed Balal Rumy

A 27 year Tech Geek and a blogger from India ( Bihar ) , live in New Delhi. I am MCITP , CEHv8 , CCNA , CCNA Security , CCNP Security , Security + and CCSA certified. Loves to write tech articles based on my real experiences.

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