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How to configure security groups in the CVM? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something.

After you purchase a CVM, you can configure the security group to ensure the security of the server.

1. Log in to the management console, find the corresponding server in the overview of Cloud Computing basic Service-CVM ecs-, and click enter.

two。 Find the corresponding server in the instance list, click more, and select the security group configuration.

3. Click configure rules, select the public network entry direction, and click add Security Group rules.

4. Fill in the ports that need to be opened in the port range (if port 22 is open, enter 22Universe 22), and enter 0.0.0.0user0 on the authorized object.

Generally recommended ports are: 20 21 30000-40000 port (FTP) 22 (SSH) 80443 (website and SSL) 3306 (database remote connection) 888 (phpmyadmin) and so on.

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