TP-Link Router TL-WR941N User Manual
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TL-R480TSMB Broadband Router User Guide 35 Figure 4-24 To assign a computer or server to be a DMZ server: Step 1: Click the Enable radio button Step 2: Enter the local host IP address in the DMZ Host IP Address field Step 3: Click the Save button. ) Note: After you set the DMZ host, the firewall re lated to the host will not take effect. 4.5.4 UPnP Choose menu “ Forwarding→UPnP ”, you can view the informat ion about UPnP in the screen (shown in Figure 4-25). You can click Refresh to update the Current UPnP Settings List before viewing the information. The Universal Plug and Play (UPnP) feature allows the devices, such as Internet computers, to access the local host resources or devices as needed. UPnP devices can be automatically discovered by the UPnP service application on the LAN. Figure 4-25 ¾ Current UPnP Status - If you want to use the Router’s UPnP f unction, please click Enable button. If you don’t want use the function, please click Disable button. Allowing the function may cause a risk to security, this feature is disabled by default. ¾ App Description - This displays the description provi ded by the application in the UPnP request. ¾ External Port - This displays the external port, whic h the router opened for the application.
TL-R480TSMB Broadband Router User Guide 36 ¾ Protocol - This displays the protoc ol for the application. ¾ Internal Port - This displays the Internal port, wh ich the router opened for local host. ¾ IP Address - The UPnP device that is cu rrently accessing the router. ¾ Status - This displays the status. Enabled means that the port is still active, Disabled means that the port is inactive. 4.6 Security Choose menu “Security ”, you can see the subm enus under the main menu: Firewall, IP Address Filtering , Domain Filtering , MAC Filtering , and Screen . Figure 4-26 Click any of them, and you will be able to conf igure the corresponding function. The detailed explanations for each submenu are provided below. 4.6.1 Firewall Choose menu “ Security→Firewall ”, you can control the general fire wall switch in the next screen (shown in Figure 4-27). The default setting for the switch is off, the IP Address Filtering, Domain Filtering, MAC Address Filtering and Screen are disabled, their settings are ineffective in the default settings.
TL-R480TSMB Broadband Router User Guide 37 Figure 4-27 ¾ Enable Firewall - Enable the general firewall switch or not. ¾ Enable IP Address Filtering - Enable the IP Address Filteri ng or not. There are two default filtering rules, please select the rule for your need. ¾ Enable Domain Filtering - Enable the Domain Filtering or not. ¾ Enable MAC Address Filtering - Enable MAC Address Filtering or not. There are two default filtering rules, please se lect the rule for your need. ¾ Enable Screen - Enable the screen function or not. 4.6.2 IP Filtering Choose menu “ Security→IP Address Filtering ”, you can configure the IP Address filtering rule in the next screen (shown in Figure 4-28). The IP Address Filteri ng feature allows you to control Internet Access by specific users on your LAN based on their IP addresses.
TL-R480TSMB Broadband Router User Guide 38 Figure 4-28 ¾ Effective Time - This is the time or the range of time fo r the entry to take effect. For example, 1800 - 2200, it means that the entry will take effect from 18:00 to 22:00. ¾ LAN IP - This is the LAN IP address or the ran ge of LAN IP addresses in dotted-decimal notation format. For exampl e, 192.168.1.20 - 192.168.1.30. Keep the field blank, which means all LAN IP addresses are controlled by the rule. ¾ LAN Port - This is the LAN Port or the range of LA N ports in the field. For example, 1030 - 2000. Keep the field blank, which means all LAN ports are controlled by the rule. ¾ WAN IP - This is the WAN IP address or the range of WAN IP addresses in dotted-decimal notation format. For example, 202.96.134.210 – 202.96.134.230. Keep the field blank, which means all WAN IP addresses are controlled by the rule. ¾ WAN Port - This is the WAN Port or the range of WAN Ports. For example, 25 – 110. Keep the field blank, which means all WAN Ports are controlled by the rule. ¾ Protocol - This indicates which protocol is used, either TCP, UDP , or All (all protocols supported by the router). ¾ Action - This field displays the ac tion that the Router takes to deal with the traffic. Allow means that the Router allows the traffic through the Router, Deny means that the Router rejects the traffic through the router. ¾ Status - This field displays t he status of the rule. Enabled means the rule will take effect, Disabled means the rule will not take effect. To add/modify an IP Address filtering entry: For example: If you desire to block E-mail received and sent by the IP address 192.168.1.7 on your local network during the time of 1800 to 2200; And wish to make the PCs with IP addresses 192.168.1.8 to 192.168.1.12 unable to visit the website of IP address 202.96.134.12 all the day, while other PCs have no limit. You c an configure the rules as follows. Step 1: Enable the “ Firewall ” and “IP Address Filtering ” on the Firewall screen (show in Figure 4-27 ), and then, you should select the Default IP Address Filtering Rule Allow the packets not specified by any filter ing rules to pass through the router .
TL-R480TSMB Broadband Router User Guide 39 Step 2: Click Add New… /Modify shown in Figure 4-28, you will see a new screen shown in Figure 4-29. Step 3: Enter the “ Effective time ” that the rule will take effect as shown in Figure 4-29. Step 4: Enter the “ L AN IP Address ”, “LAN Port ”, “WAN IP Address ” and “WAN Port ” in the corresponding field as shown in Figure 4-29. Step 5: Select the “ Protocol”, “Action” and “ Status” for the rule as shown in the n ext screen. Figure 4-29 Step 6: Click the Save button to save this entry. Step 7: Go to Step 2 to complete the other rules continually. After you finish the configurations, you will see the rules in the table below: Figure 4-30 ) Note: Before adding an IP Address Filtering entry, y ou should enable the Firewall and the IP Address Filtering function first (shown in Figure 4-27). Other configurations for the entries as shown in Figure 4-28: C lick the Delete button to delete the entry. Click the Enable All button to enable all the entries. Click the Disable All button to disable all the entries. Click the Delete All button to delete all the entries. Click the Previous button to view the information in the previous screen, click the Next button to view the information in the next screen.
TL-R480TSMB Broadband Router User Guide 40 4.6.3 Domain Filtering Choose menu “ Security→Domain Filtering ”, you can configure the Doma in filtering rule in the next screen (shown in Figure 4-31). The Domain Filtering feat ur e allows you to control access to certain websites on the Internet by sp ecifying their domains or key words. Figure 4-31 ¾ Effective Time - This is the time or the range of time fo r the entry to take effect. For example, 0800 - 2400, it means that the entry will take effect from 08:00 to 20:00. ¾ Domain Name - This is the domain or key word as desired. Leaving the field blank means all websites on the Internet are prohibited from accessing. ¾ Status - This field displays the status, Enabled means the rule is effective, Disabled means the rule is ineffective. To add or modify a Domain Filtering entry: For example: if you want to block the PCs on your LAN from accessing websites www.xxyy.com.cn , www.aabbcc.com a nd websites with end of .net on the Internet, while no limit for other websites, you can configure as follows. Step 1: Enable the “ Firewall” and “Domain Filtering ” on the Firewall screen (show in Figure 4-27 ). Step 2: Click Add New… /Modify shown in Figure 4-31, you will see a new screen shown in Figure 4-32. Step 3: Enter the “ Effectiv e time” that the rule will take effect, enter the “ Domain Name” as shown in Figure 4-32. Step 4: Select the “ Status” for the rule as shown in the next screen.
TL-R480TSMB Broadband Router User Guide 41 Figure 4-32 Step 5: Finally, click Save to make the rule take effect. Step 6: Go to Step 2 to complete the other rules continually. After you finish the configurations, you will see the rules in the table below: Figure 4-33 ) Note: Before adding an IP Address Filtering entry, y ou should enable the Firewall and the IP Address Filtering function first (shown in Figure 4-27). Other configurations for the entries as shown in Figure 4-28: C lick the Delete button to delete the entry. Click the Enable All button to enable all the entries. Click the Disable All button to disable all the entries. Click the Delete All button to delete all the entries. Click the Previous button to view the information in the previous screen, click the Next button to view the information in the next screen. 4.6.4 MAC Filtering Choose menu “ Security→MAC Filtering ”, you can configure the MAC Address filtering rule in the next screen (shown in Figure 4-34). The MAC Address Filtering feature allows you to control access to the Internet by users on your local network based on their MAC addresses.
TL-R480TSMB Broadband Router User Guide 42 Figure 4-34 ¾ MAC Address - .This is the PC’S MAC address which is controlled by the rule, its format of is XX-XX-XX-XX-XX-XX (X is any hexadecimal di git). For example: 00-0E-AE-B0-00-0B. ¾ Description - This is the description about t he PC, Fox example: John’s PC. ¾ Status - This field displays the status, Enabled means the rule is effective, Disabled means the rule is ineffective. To add or modify a Domain Filtering entry: Fox example: If you want to block the PCs with MAC addresses 00-0A-EB-00-07-BE and 00-0A-EB-00-07-5F to access the Inte rnet, you can configure as follows. Step 1: Enable the “ Firewall” and “MAC Address Filtering ” on the Firewall screen (show in Figure 4-27). And then specify the Default MAC Ad dress Filtering Rule Deny these PCs with enabled rules to access the Internet. Step 2: Click Add New… /Modify shown in Figure 4-34, you will see a new screen shown in Figure 4-35. Step 3: Enter the approp riate MAC address and descriptions , then select the status as shown in Figure 4-35.
TL-R480TSMB Broadband Router User Guide 43 Figure 4-35 Step 4: Finally, click Save to make the rule take effect. Step 5: Go to Step 2 to complete the other rules continually. After you finish the configurations, you will see the rules in the table below: Figure 4-36 ) Note: Before adding a MAC Address Filtering entry , you should enable the Firewall and the MAC Address Filtering function first (shown in Figure 4-27). Other configurations for the entries as shown in Figure 4-28: C lick the Delete button to delete the entry. Click the Enable All button to enable all the entries. Click the Disable All button to disable all the entries. Click the Delete All button to delete all the entries. Click the Previous button to view the information in the previous screen, click the Next button to view the information in the next screen. 4.6.5 Screen Choose menu “ Security→Screen ”, you can configure the functions below to protect the router from being attacked in the next two screens.
TL-R480TSMB Broadband Router User Guide 44 Figure 4-37 ¾ Region - This option used to select the specifica lly area from which the packets will be monitored by the next settings. ¾ Scan Attack Defence • IP Scan: During the specific time, if a computer (identified by a particular source IP address) transmits packets to at least ten different computers (identified by different destination IP addresses), then the source IP address will be deemed to make IP Attacks. And the Router will start up t he blocking function immediately.