If the web and database servers must be on different machines , either encrypt all traffic between them or connect the two machines via their own private , physically isolated network 如果web和數(shù)據(jù)庫(kù)服務(wù)器必須位于不同的機(jī)器上,加密它們之間的所有通信,或者將兩臺(tái)機(jī)器通過(guò)其自己專用的、物理上隔離的網(wǎng)絡(luò)連接。