Many people have heard of dos, but don’t know what dos is. The following php Chinese website will lead you to understand dos.
1: What does dos mean
DoS is a denial of access, and all behaviors that may be attacked may be DoS attack. In severe attacks, DoS can try to prevent any attack. The attacker can send multiple requests and require the server to authenticate the identity.
2: The purpose of DOS attack
If an attack is received, the computer and network may be affected to a certain extent, causing the computer to be unable to serve normally. A dos attack is an attack. Network protocol, so that the network cannot provide normal services and may stop responding or crash. Dos attacks do not include intrusion into the server.
Three: DOS attack methods
##There are many DOS attacks, which can be divided into several categories Category: 1. Use the flaws of software websites to attack, resulting in malicious modification of certain data. Generally, some attack tools are sent by the attacking system to type, but this kind of attack is relatively fatal. Many source addresses can be created, and troubleshooting is almost impossible. 2. You can also use the loopholes in the protocol to attack. You can use the TCP/IP protocol to attack. Of course, this is a small-scale attack. Many firewalls now have the ability to resist attacks, but their capabilities are also limited. limited. The above is a complete introduction to what dos means. If you want to know more about operation and maintenance, please pay attention to the PHP Chinese website.
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