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SYN flood attack
(redirected from SYN flood)

    Also found in: Wikipedia 0.02 sec.
SYN flood attack
An assault on a network that prevents a TCP/IP server from servicing other users. It is accomplished by not sending the final acknowledgment to the server's SYN-ACK response (SYNchronize-ACKnowledge) in the handshaking sequence, which causes the server to keep signaling until it eventually times out. The source address from the client is, of course, counterfeit. SYN flood attacks can either overload the server or cause it to crash. See denial of service attack.
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These flood attacks can be a TCP SYN flood or an INVITE flood.
VoIP becomes target by Paquette, Mike / Communications News
For example, in a SYN flood attack, packets are sent to a target using spoofed (fake) IP source addresses.
Defending Against Denial of Service Attacks by PIAZZA, PETER / Security Management
Designed to function as a protector of corporate data, the NSS includes a firewall system for built-in protection against Internet attacks such as SYN flood and IP spoofing.
Norman Data Defense Systems launches network security product by Worldwide Computer Products News
 
 
 
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