Typical application example of security group rule SSH,RDP,ping,FTP
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Typical Application of Security Group rules
This paper introduces the typical application of security group rules. The document applies to both classic network and VPC network instances. For more information on how to add security group rules, please refer to the document: add security group rules.
Typical applications listed in this article include:
SSH remote connection to Linux instance
RDP remote connection to Windows instance
Public network ping ECS instance
ECS instance acts as Web server
Upload or download files using FTP
SSH remote connection to Linux instance
After the Linux ECS instance is created, you need to add the following security group rules in order for SSH to remotely connect to the ECS instance:
RDP remote connection to Windows instance
After the Windows ECS instance is created, you need to add the following security group rules in order for RDP to remotely connect to the ECS instance:
Public network ping ECS instance
After creating ECS instances, in order to test the communication between ECS instances using ping program, you need to add the following security group rules:
ECS instance acts as Web server
If the instance you create is used as a Web server, you need to install the Web server program on the instance and add the following security group rules.
Description
You need to start the Web server program before checking whether port 80 is working properly. For specific operation, please refer to the document: check whether TCP port 80 is working properly.
If your instance cannot be accessed through the http:// public network IP address, please refer to check whether TCP port 80 is working properly.
Upload or download files using FTP
If you need to upload or download files to the ECS instance using FTP software, you need to add the following security group rules:
Description
You need to install the FTP server program on the instance first, and then check to see if port 20 Universe 21 is working properly. To install the FTP server program, you can refer to the documentation: installation, configuration and use of FTP services under CVM ECS.
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