¾List of Rules

You can view the information of the entries and edit them by the Action buttons. The smaller the value is, the higher the priority is.

The first entry in Figure 3-52indicates: The TELNET packets transmitted from the hosts within the network of 192.168.0.0/24 will be not allowed to pass through the Router at 8:00-20:00 from Tuesday to Saturday.

Note

For the users in the private network and not being set access rule, the default Policy is Allow.

To specify all IP addresses, type “0.0.0.0 / 32” in the Policy field.

● For detailed setting of subnet mask, please refer to Appendix B FAQ.

3.4.4.4Service

The Service function allows you to specify the protocol and port number i to be filtered for Firewall function conveniently. Protocol name and port range constitute a service type. The Router predefines three commonly used services such as HTTP, FTP and TELNET and you can also add customized services if needed.

Choose the menu Firewall→Access Control→Service to load the following page.

Figure 3-53 Service

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TP-Link TL-ER6120 manual Service

TL-ER6120 specifications

The TP-Link TL-ER6120 is a robust and versatile gigabit router designed for small to medium-sized businesses, offering high-performance routing capabilities while ensuring secure network management. This device stands out for its user-friendly configuration, affordability, and rich feature set tailored for business needs.

One of the key features of the TL-ER6120 is its advanced routing capabilities. It supports load balancing and failover, ensuring reliable internet connectivity by distributing traffic across multiple WAN ports. This helps to maintain optimal performance even during high-traffic periods. The router can accommodate up to three WAN ports, providing flexibility in terms of connection options and redundancy.

Security is paramount in any business network, and the TL-ER6120 does not disappoint. It includes a robust firewall with stateful packet inspection, preventing unauthorized access and safeguarding sensitive data. The router also supports various VPN protocols, including PPTP, L2TP, and IPSec, enabling secure remote access for employees working from remote locations. This feature is particularly beneficial as remote work becomes more prevalent.

In addition to its security features, the TL-ER6120 offers support for VLAN configuration, allowing businesses to segment their networks for better performance and security. Dynamic Routing Protocols such as RIP v1/v2, and static routing are also supported, ensuring seamless data exchange across different network segments.

Another significant aspect of the TL-ER6120 is its Quality of Service (QoS) functionality. This feature enables users to prioritize bandwidth for critical applications, ensuring that services like VoIP and video conferencing maintain optimal performance. By managing the flow of data, businesses can enhance their operational efficiency.

The TL-ER6120 is equipped with several advanced management features, including a web-based user interface that simplifies network configuration and monitoring. Users can easily manage their network settings, view traffic statistics, and troubleshoot issues without advanced technical knowledge.

In conclusion, the TP-Link TL-ER6120 is an excellent choice for businesses seeking a reliable, feature-rich router. Its combination of security, performance, and ease of use makes it an ideal solution for managing business networks efficiently. Whether for load balancing, secure remote access, or network segmentation, the TL-ER6120 meets diverse business needs with sophistication and reliability.