You want to block users saving documents on Google Drive under the following circumstances:
- The ProxySG appliance performs full SSL interception of Google Drive.
- Downloading documents from Google Drive is allowed but downloading is denied.
- Users can save document on Google Drive.
Create policy such as the following:<proxy>
url.domain=docs.google.com condition=POST_PUT Deny
define condition POST_PUT
end condition POST_PUT
See article 000023860
how to setup policy blocking uploads to google drive