Typical Configuration Scenarios
Public Network Ping Cloud Server Instance
To use the ping program to test the communication status of the cloud server instance, you need to add the following inbound rules to the security group associated with the instance:
Source
Protocol Port
Policy
0.0.0.0/0
ICMP
Allow
Note: Make sure you have enabled the appropriate outbound rules.
Cloud Server Instance Used as The Web Server
If the instance you create is used as a web server, you need to install the webserver program on the instance and add the following inbound rules to the rules associated with the instance:
Note: You need to start the webserver program before checking if the port is set to 80.
Make sure you have enabled the appropriate outbound rules.
Source
Protocol port
Policy
0.0.0.0/0
TCP:80
Allow
Upload or Download Files Using FTP
If you need to use FTP software to upload or download files to a cloud server instance in the active access mode, you need to give the instance a security group, please add the following inbound rules:
Note: You need to install the FTP server program on the instance before checking if port 20/21 is working correctly.
Make sure you have enabled the appropriate outbound rules.
Source
Protocol port
Policy
0.0.0.0/0
TCP:21
Allow
0.0.0.0/0
TCP:1024-65535
Allow
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