1. Any downloading of library-subscribed electronic resources by software or tool is prohibited. 2. Any systematically over-downloading of full-text documents from library-subscribed databases is prohibited. 3. Use of proxy server or providing VPN account to unauthorized users is prohibited. 4. Without the prior permission of the library, redistributing library-subscribed resources in bulk to unauthorized users or via proxy server is prohibited. 5. Violators of the above rules will be punished based on results of thorough investigation.