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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Applicable Scenario

Applicable Scenario

This section describes the applicable scenario of packet filtering.

Application Filtering

Packet filtering allows the device to discard untrusted packets and permit trusted packets to pass through. This function improves network security and provides flexible network planning.

As shown in Figure 13-33, to ensure teaching quality and discipline, the PC in the multimedia room is allowed to connect to only the FTP server and the PC in the teachers' office is allowed to connect to the FTP server and web server.

Figure 13-33 Networking of packet filtering
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Updated: 2019-08-09

Document ID: EDOC1000041694

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