Chapter 23 Content Filtering - Ftp Filtering; Demands; Objectives; Methods - D-Link DFL-900 User Manual

DFL-900/1500 User Manual

23.1 Demands

1. Some users in LAN1 use FTP to download big MP3 files and cause waste of bandwidth.

23.2 Objectives

1. Forbid PC1_1 from downloading MP3 files with FTP.

23.3 Methods

1. Setup the filename extension of the forbidden types of file that are not allowed to be transmitted using standard FTP port.
2. Let PC1_1 download a MP3 file from the FTPServer3 to see if the session is blocked.
Figure 23-1 Use FTP filter functionality to avoid user download forbidden file type
Content Filtering – FTP Filtering
This chapter introduces FTP proxies and explains how to implement it.
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Content Filtering – FTP Filtering
Chapter 23
Chapter 23