For source or destination IP address, you can define a single IP address (4.3.2.1) or a range of IP addresses (4.3.2.1-4.3.2.254). An empty implies all IP addresses.

For source or destination port, you can define a single port (80) or a range of ports (1000-1999). Add prefix "T" or "U" to specify TCP or UDP protocol. For example, T80, U53, U2000-2999. No prefix indicates both TCP and UDP are defined. An empty implies all port addresses. Packet Filter can work with Scheduling Rules, and give user more flexibility on Access control. For Detail, please refer to Scheduling Rule.

Each rule can be enabled or disabled individually.

Inbound Filter:

To enable Inbound Packet Filter click the check box next to Enable in the Inbound Packet Filter field.

Suppose you have SMTP Server (25), POP Server (110), Web Server (80), FTP Server (21), and News Server (119) defined in Virtual Server or DMZ Host.

Example 1:

(192.168.123.100-192.168.123.149) They are allow to send mail (port 25), receive mail (port 110), and browse the Internet (port 80)

(192.168.123.10-192.168.123.20) They can do everything (block nothing)

Others are all blocked.

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LevelOne WBR-3402TX user manual Inbound Filter, Example
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WBR-3402TX specifications

The LevelOne WBR-3402TX is a versatile and robust wireless broadband router designed to cater to both home and small office environments. With its advanced features, it provides users with a seamless internet experience, ensuring reliable connectivity and efficient networking.

At the heart of the WBR-3402TX is its compatibility with the IEEE 802.11b/g wireless standards, allowing speeds of up to 54 Mbps. This makes it suitable for various online activities, including video streaming, gaming, and web browsing. The router operates on the 2.4 GHz frequency band, which offers a decent range for wireless signal distribution while ensuring stable connections throughout the coverage area.

One of the standout features of the WBR-3402TX is its built-in firewall and network security protocols. It supports WEP, WPA, and WPA2 encryption methods, ensuring that users have a secure connection. The router provides Network Address Translation (NAT) functionality and includes an integrated firewall that acts as a protective barrier against unwanted intrusions.

The LevelOne WBR-3402TX also includes four 10/100 Mbps Ethernet ports, allowing for wired connections to devices such as PCs, printers, and gaming consoles. This dual functionality, supporting both wired and wireless connections, provides flexibility for users based on their networking needs.

Another beneficial feature is its user-friendly web management interface. This allows users to easily configure their settings, monitor network status, and manage connected devices efficiently. Moreover, the router supports Dynamic IP Addressing (DHCP), simplifying the process of network configuration for devices within the home or office.

For extended range and improved signal strength, the WBR-3402TX is equipped with detachable antennas that users can upgrade for enhanced performance. This feature is particularly advantageous in large spaces or environments with numerous obstacles that can obstruct wireless signals.

In summary, the LevelOne WBR-3402TX delivers a well-rounded package combining essential features such as strong security measures, versatile connectivity options, and user-friendly management capabilities. Its balance of performance and functionality makes it a reliable choice for those seeking a dependable networking solution in a compact form factor, catering to the diverse needs of modern users.
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