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陈启和王治乾说着话，没一会儿，林白和一个青年进来了。If an attacker sends a large number of SYN requests with fake source addresses, the server side will consume a lot of resources to handle this semi-connection, and saving traversal will consume a lot of CPU time and memory, not to mention retrying SYN + ACK on IP in this list. The end result is that the server has no time to ignore the normal connection request-denial of service. If you look at the SYN_RECV status on the server with the netstat-an command, you can see that there are a large number of connection states that are "SYN_RECEIVED"红椒揉着手指，轻声问道：这么说，你是打算要纳素谨了？田遥沉默了一会，才道：红椒，这是我娘临终交代的。整整两天，会稽军分批连续而来，昼夜不停，让彭城守军丝毫不敢松懈。A complete computer system consists of hardware and software. As the name implies, hardware is the physical equipment that can be seen and touched in the computer, such as the host computer. Software, on the other hand, is relative to hardware. It refers to various programs and related documents needed to run on the computer, such as a drawing software or a gobang game. Computer hardware and software are indispensable. Hardware is the material basis on which software can work and is the "body". Software is the soul of the computer and the core of controlling and operating the computer. They complement each other and form a complete computer system. From the appearance, the computer includes: monitor, host computer, keyboard, mouse and sound box.