Documentation looks like 8443 is used, but we are not able to pull the install files when doing an install. Our security would rather not open up 443, so hoping that is not the solution. If 443 is trying to be used is there a way to change the port to something else?
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According to this documentation page for Dynatrace Managed installations it should be using 8443 to communicate from Security Gateways to the Server: https://help.dynatrace.com/data-security/security-...
Can you provide any details on what looks like it is failing?
Brain - Installer downloads other installer files, including Security Gateway, from the primary on 443 port. This is also the port that Cluster is running on, so anyway it has to be open.
Port 8443 is the port that Cluster and Security Gateway communicates on.
There's no option to change that by the user.