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If you don't have Internet connectivity on the system you're using to install and configure Security Analysis Solution (SAS), then download the SCAP profiles on a machine that is connected to the Internet and copy them to a folder on the unconnected system.
You can download the SCAP profiles from the following URLs:
http://iase.disa.mil/stigs/scap/Pages/index.aspx
https://web.nvd.nist.gov/view/ncp/repository?tier=4&startIndex=0