In both direct flooding attacks and the use of spoofed source addresses results in response packets being scattered across the Internet and thus detectable.

SYN spoofing attacks.    

Explanation:

The Spoofing attack is used to access the personal information it is distributed the  viruses through infected links or file .The spoofing attacks has redistributed the traffic and the flow control in the denial-of-service attacks.

The SYN spoofing attacks is used the spoofed source in the result of giving response to packet The Spoofing attack  is distributed  across the Internet also it is detectable