[ESC] Alibaba Cloud opens port 8080 (Tomcat) and port 21 (FTP)

Others 2022-04-27 13:51:29 views: 0

Now that the group security policy has been modified, ports 8080 and 21 are not open by default, so tomcat and ftp cannot connect at all.

Steps to enable: Open Alibaba Cloud Console -> Instance -> Group Security Policy -> Configure Rules -> Add Security Group Policy -> (take port 8080 as an example): see the figure below

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