July 2017
Beginner to intermediate
358 pages
10h 54m
English
Content preview from Building Microservices with Go
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ACK
An ACK flood takes advantage of the three-way handshake that exists when a client connects to a server. The first step entails the client sending an SYN packet, and a SYN-ACK packet is sent in response from the server. The client then finally replies with an ACK packet and the connection is open for data. An ACK flood takes one of two forms:
- The attacker sends a spoofed SYN packet to a server and then follows this with a spoofed SYN-ACK packet. The server then opens and holds open a connection. If enough connections are open, then the server will eventually run out of resources.
- The second method is only to send the ACK packet. Since the server does not have an open connection, this packet will be dropped; however, it still consumes ...
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