Is there any solution to the server being attacked?

A server is a device that provides computing services for the network and plays an important role in a corporate website.
Therefore, we must always pay attention to the security of the server. However, no matter how well the server is protected, it is inevitable that the server will be maliciously attacked by competitors or hackers. What if the website cannot be accessed by malicious attacks?
What if the server has been attacked? How can we prevent the server from being attacked?
There are two common ways for servers to be attacked:
one is CC and the other is DDOS. If it is a CC attack, the computer room technology will adjust the strategy in time according to the type of attack. The CDN service can be one level first in strategy, which is very effective against CC attacks. If it is DDOS, it can be defended only if the computer room has a hard defense. This can be solved only if the bandwidth is sufficient. At the same time, the CDN performs traffic distribution and cleaning.
In fact, it is not impossible to prevent the server from being attacked. Users can take some simple measures to improve the security of the server before using the server. What are these measures and how to prevent the server from being attacked?
1. First, the server must disable the administrator.
2. System upgrades and operating system patches, especially IIS6.0 patches, SQLSP3a patches, and even IE6.0 patches should also be applied, while tracking the latest vulnerability patches in time.
3. Start the Internet connection firewall that comes with the system, and check the Web server in the setting service options.
4. It is forbidden to respond to ICMP routing announcement messages.
5. Disable Workstation in the service.
6. Prevent IUSR users from elevating permissions.
7. Prevent SQL injection. It is still necessary to take good measures to prevent the server from being attacked. Of course, if a hacker or a competitor has to keep staring at your server or website and regularly conduct some attacks, it is also a terrible thing. The attacker will cost money, and the defender will also need to spend a lot of money to solve the defense. The problem.