Shulou(Shulou.com)06/03 Report--

Today, what I want to share with you is how to make Hong Kong CVM more secure. Many people don't know much about it. Today, in order to let you know more about Hong Kong CVM, the editor summarizes the following contents. Let's move on. I'm sure you'll get something.

Nowadays, the network is getting better and better, accompanied by more and more advanced hacker attacks. It is not uncommon for Hong Kong servers to be attacked. We have no way to completely solve the network security problem, but we can constantly strengthen the protection and improve the defense capability of the server. So how can we improve the security of the server?

01. Install system patches in time, starting from the basics

No matter Windows or Linux, any operating system has loopholes. Timely patching to prevent vulnerabilities from being deliberately exploited is one of the most important guarantees of server security. Just keep your system up-to-date in real time.

02. Install and set up the firewall

Now there are many firewalls based on hardware or software, and many security manufacturers have launched related products. For server security, it is necessary to install a firewall. Firewalls play a good role in preventing illegal access, but the installation of firewalls does not mean that the server is secure. After installing the firewall, you need to configure the firewall properly according to your own network environment to achieve the best protection effect.

03. Close unwanted services and ports

When the server operating system is installed, it will start some unwanted services, which will occupy the resources of the system and increase the security risks of the system. For servers that will not be used at all for a period of time, you can shut down completely; for servers to be used during the period, you should also turn off unwanted services, such as Telnet. In addition, turn off TCP ports that are not necessary.

04. Back up the server regularly

In order to prevent unexpected system failures or careless illegal operations of users, a safe backup of the system must be carried out. In addition to the monthly backup of the whole system, the modified data should also be backed up once a week. At the same time, the modified important system files should be stored on different servers so that in the event of a system crash, the system can be restored to normal state in a timely manner. Leading snapshots can retain the state of disk data at a point in time. Using snapshots, you can quickly and easily restore the cloud server to its previous state.

05. Set up account and password protection

Account and password protection can be said to be the first line of defense of the server system. At present, most attacks on the server system start from intercepting or guessing passwords. Once the hacker enters the system, the previous defense measures are almost useless, so managing the account and password of the server system administrator is a very important measure to ensure system security.

That's all the editor said today. In fact, for the word security, it is not only the best to achieve the above points, but also some other things that need to be paid attention to, such as fixing loopholes in the source code of the website, optimizing the code, and so on, but today we are mainly talking about the above points, which are generally safe.

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