Wireless-G Broadband Router

The Security Tab - Filter

Filters block specific internal users from accessing the Internet. From the Filters tab, you can set up a filter through an IP address or a network port number.

Filter IP Address Range. To set up a filter using IP addresses, enter the range of IP addresses you wish to filter in the IP address fields. Users who have filtered IP addresses will not be able to access the Internet at all. If you only want to filter one IP address instead of a range of IP addresses, enter the same value into both fields. For instance, if you wish to filter the PC with the IP address of 192.168.1.5, enter 5 into both fields on one line: 192.168.1.5 ~ 192.168.1.5.

Filter Port Range. To filter users by network port number, select a protocol, then enter a network port number or a range of network ports. Enter the port numbers you want to filter in the port numbers fields. Users connected to the Router will no longer be able to access any port number listed there.

Filter MAC Address. This feature filters the Ethernet adapter’s specific MAC address from going out to the Internet. To check your Ethernet adapter’s MAC address, you can run winipcfg or ipconfig in the command prompt, depending on which Windows operating system you are using. To set the MAC filter, click the Edit MAC Filter Setting button. When the screen appears, select the range in the drop-down menu, and in a MAC number field, enter the 12-digit MAC address you want to filter. Click Apply to save the changes, or Undo to undo the changes. For information on obtaining a MAC address, go to Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter.

Block WAN Requests. Enable the Block WAN Request feature by checking the radio button beside Block Anonymous Internet Requests and you can prevent your network from being pinged or detected by other Internet users. Click Disabled it you want to allow anonymous Internet requests.The Block WAN Request feature also reinforces your network security by hiding your network ports. Both functions of the Block WAN Request feature make it more difficult for outside users to work their way into your network. This feature is enabled by default.

Filter Multicast. This feature allows for multiple transmissions to specific recipients at the same time. Select Enabled to support the feature, or Disabled to keep the Router from multicasting.

Filter Internet NAT Redirection. This feature uses Port Forwarding to prevent access to local servers from your local networked computers.

Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes.

Chapter 6: Configuring the Wireless-G Broadband Router

Figure 6-24: Security Tab - Filter

Figure 6-25: List of PCs

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The Security Tab - Filter

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Linksys WRK54G (EU/LA) manual Security Tab Filter
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WRK54G (EU/LA) specifications

The Linksys WRK54G (EU/LA) is a versatile wireless router that serves as an essential networking solution for home and small office users. This device combines a robust set of features, reliability, and ease of use, making it a favorite among consumers seeking a dependable internet connection.

One of the standout features of the WRK54G is its compatibility with 802.11g and 802.11b wireless standards. This ensures a stable and fast Wi-Fi experience with maximum speeds of up to 54 Mbps. The router operates in the 2.4 GHz frequency band, which helps cover a wide area, making it ideal for connecting multiple devices throughout your home or office. Additionally, the WRK54G is backward compatible with older wireless standards, ensuring that legacy devices can also connect smoothly.

Security is a priority for Linksys, and the WRK54G does not disappoint. It comes equipped with several security protocols, including WPA2 encryption, which safeguards your network against unauthorized access. Moreover, the router supports MAC address filtering and firewall features, providing an additional layer of protection for your connected devices.

The Linksys WRK54G features four Ethernet ports, allowing for direct wired connections to devices such as desktops, printers, or gaming consoles. This is particularly beneficial for users who prioritize low-latency connections. The digital signal processor integrated into the router enhances its performance, contributing to stable and fast data transmission.

In terms of management, the WRK54G provides an intuitive web-based interface that makes it easy for users to configure settings, manage security options, and monitor connected devices. It also supports Quality of Service (QoS) features, allowing users to prioritize bandwidth for specific applications and devices, which is particularly useful for gaming and streaming.

Another notable aspect is the ease of installation. The router includes a quick-start guide, and users can generally set it up in a matter of minutes. Linksys also provides support resources for troubleshooting and optimizing the router's performance.

Overall, the Linksys WRK54G (EU/LA) is an excellent choice for users looking for a reliable, feature-rich wireless router. With its solid performance, robust security features, and ease of use, the WRK54G remains a relevant option in the ever-evolving landscape of home and small office networking.
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