Huawei HG256 User Manual - Page 29

HUAWEI HG256 User Guide 6 Configuring Frequently Used Functions 6.4 Controlling the Internet Access Rights of PCs Function Overview You can prohibit certain PCs from accessing the Internet or allow only certain PCs to access the Internet. In addition, you can set the period during which certain computers are not allowed to access the Internet. Through the MAC address filtering function of the HG256, the preceding requirements can be met after you enter the MAC addresses of the PCs to be controlled. The MAC address filtering function can be implemented in the following modes: z Blacklist: The PCs whose MAC addresses are listed in the filtering list are prohibited from accessing the Internet. z Whitelist: The PCs whose MAC addresses are listed in the filtering list are allowed to access the Internet. You can select either of the preceding modes for the MAC address filtering function. The MAC address filtering function controls the option of allowing a PC connected to the HG256 to access the Internet. The wireless MAC filtering function controls the option of allowing a PC to be connected to the HG256 through a wireless network. Configuration Example For example, you have bought a PC for your child who is in a primary school. To restrict the Internet access period of the child to from 19:00 to 20:00 in each evening and to protect your PC from being restricted, you can use the blacklist mode of the MAC address filtering function. Suppose the MAC address of the PC of your child is 00:11:09:11:04:DD. After the function of automatically synchronizing the time of the HG256 with the network time is enabled, you need to create the following two filtering rules: z Rule 1: From 00:00 to 18:59 each day, prohibit the PC whose MAC address is 00:11:09:11:04:DD from accessing the Internet. The name of this rule is Internet access is prohibited before 19:00 in the evening. z Rule 2: From 19:59 to 23:59 each day, prohibit the PC whose MAC address is 00:11:09:11:04:DD from accessing the Internet. The name of this rule is Internet access is prohibited after 20:00 in the evening. The configuration procedure is as follows: Step 1 Log in to the Web-based configuration utility. Step 2 In the navigation tree, choose Advanced > SNTP. The network time configuration page is displayed. Step 3 Select Enable auto synchronization with network time. Step 4 Select a time service address for Time server 1. For example, you can select clock.fmt.he.net. Huawei Proprietary and Confidential 6-9 Copyright © Huawei Technologies Co., Ltd