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The Cornell Stack provides the following level of support: http://www.it.cornell.edu/services/hosting/support.cfm
Please review our Hosting Terms. http://www.it.cornell.edu/services/hosting/terms.cfm
PCI and Confidential data should not be stored on Cornell Stack VMs (or any Hosting Services VMs). If your application or website requires storage of confidential data or needs to process credit card transactions, please contact cit-hosting@cornell.edu to discuss options or next steps.
Customers that require a higher level of customization and/or have a deep technical background may be more comfortable with a "Managed Server" and installing the web application stack on their own: http://www.it.cornell.edu/services/managed_servers/
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