COMPUTER NETWORKING

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NETWORK SECURITY

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A type of attack that randomly opens TCP ports at the source of the attack and ties up the computer with a large amount of false SYN requests.
A
Denial of Service (DoS)
B
Distributed DoS (DDoS)
C
SYN Flood
D
Spoofing
Explanation: 

Detailed explanation-1: -A SYN flood attack randomly opens TCP ports at the source of the attack and ties up the network equipment or computer with a large amount of false SYN requests. This causes sessions to be denied to others. A SYN flood attack is a type of DoS attack.

Detailed explanation-2: -SYN flood attacks work by exploiting the handshake process of a TCP connection.

Detailed explanation-3: -In a DoS land (Local Area Network Denial) attack, the attacker sends a TCP SYN spoofed packet where source and destination IPs and ports are set to be identical.

Detailed explanation-4: -A RST-SYN flood is a DDoS attack designed to disrupt network activity by saturating bandwidth and resources on stateful devices in its path. By continuously sending RST-SYN packets towards a target, stateful defenses can go down (In some cases into a fail open mode).

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