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Network Security Principles and Practices by Saadat Malik

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E-Commerce Module

Because e-commerce is the primary objective of this module, the balance between access and security must be carefully weighed. Splitting the e-commerce transaction into three components allows the architecture to provide various levels of security without impeding access.

Figure B-26. E-Commerce Traffic Flow

Key Devices

  • Web server— acts as the primary user interface for the navigation of the e-commerce store

  • Application server— is the platform for the various applications required by the Web server

  • Database server— is the critical information that is the heart of the e-commerce business implementation

  • Firewall— governs communication ...

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