TP-Link Router TL-WR542G User Manual

							TL-WR542G54Mbps Wireless Router User Guide 
 52
 
Figure 4-39 MAC address Filtering 
Before setting up MAC Filtering  entries, you must ensure that Enable  Firewall and Enable MAC 
Filtering have been selected on the Firewall page.  To Add a MAC Address filtering entry, clicking 
the  Add New…  button. The page  Add or Modify a MAC Address Filtering entry  will appear, 
shown in  Figure 4-40:   
 
Figure 4-40 Add or Modify a MAC Address Filtering entry 
To add or modify a MAC Address Filter ing entry, follow these instructions: 
1.  Enter the appropriat e MAC Address into the  MAC Address field. The format of the MAC 
Address is XX-XX-XX-XX-XX-XX (X is an y hexadecimal digit). For example: 
00-0E-AE-B0-00-0B. 
2.  Type the description of the PC in the  Description field. Fox example: John’s PC. 
3.  Status  - Select  Enabled or Disabled  for this entry on the  Status pull-down list. 
4. Click the  Save button to save this entry. 
To add additional entries, repeat steps 1-4. 
When finished, click the  Return button to return to the  MAC Address Filtering  page.   
						

							TL-WR542G54Mbps Wireless Router User Guide 
 53 To modify or delete an existing entry: 
1. Click the Modify in the entry you want to modify. If y ou want to delete the entry, click the  
Delete. 
2.  Modify the information.   
3. Click the  Save button. 
Click the  Enable All  button to make all entries enabled. 
Click the  Disabled All  button to make all entries disabled. 
Click the  Delete All  button to delete all entries 
Click the  Next button to go to the next page and click the  Previous button to return to the 
previous page. 
Fox example: If you want to block the PC with MAC addresses 00-0A-EB-00-07-BE and 
00-0A-EB-00-07-5F to access the Internet, first, enable the  Firewall and MAC Address Filtering  
on the  Firewall  page, then, you should specify the Default MAC A ddress Filtering Rule Deny 
these PC(s) with effective rules to access the Internet  on the Firewall page and the following 
MAC address filtering list on this page:
 
 
4.8.5  Remote Management 
You can configure the Remote Mana gement function on this page shown in  Figure 4-41. This 
feature allow
s you to manage your Router fr om a remote location, via the Internet.  
 
Figure 4-41 Remote Management 
¾ Web Management Port  - Web browser access normally uses the standard HTTP service 
port 80. This router’s default remo te management Web port number is 80 . For greater 
security, you can change the remote management  Web interface to a custom port by 
entering that number in this box provided. Choose a number between 1024 and 65534, but 
do not use the number of any common service port.  
						

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¾ Remote Management IP Address - This is the current address you will use when 
accessing your router from the Internet. The  default IP Address is 0.0.0.0. It means this 
function is disabled. To enabl e this function, change the default IP Address to another IP 
Address as desired.   
To access the router, you will type your routers  WAN IP Address into your browsers Address 
(in IE) or Location (in Navigator) box, followed by a colon and the custom port number. For 
example, if your Routers  WAN address is 202.96.12.8 and you us e port number 8080, enter in 
your browser:  http://202.96.12.8:8080
. You will be asked for the routers password. After 
successfully entering the password, you will be abl e to access the routers Web-based utility. 
) Note: 
Be sure to change the routers default  password to a very secure password. 
4.8.6 Advanced Security 
Using Advanced Security page (shown in  Figure 4-42), you can protect the router fro m being 
attacked by TCP-SYN Flood, UDP Flood and ICMP-Flood from LAN. 
 
Figure 4-42 Advanced Security settings 
¾  Packets Statistic interval (5 ~ 60) -  The default value is 10. Select a value between 5 and 
60 seconds in the pull-down list. The  Packets Statistic interval value indicates the time 
section of the packets statistic. The resu lt of the statistic used for analysis by  SYN Flood, 
UDP Flood  and ICMP-Flood . 
¾ DoS protection -  Enable  or Disable  the DoS protection function.  Only when it is enabled,  
						

							TL-WR542G54Mbps Wireless Router User Guide 
 55will the flood filters be effective. 
¾
 Enable ICMP-FLOOD Attack Filtering -  Enable  or Disable  the ICMP-FLOOD  Attack 
Filtering. 
¾  ICMP-FLOOD Packets threshold: (5 ~ 3600) -  The default value is 50. Enter a value 
between 5 ~ 3600 packets. When the current  ICMP-FLOOD Packets number sis beyond the 
set value, the router will start up  the blocking function immediately. 
¾ Enable UDP-FLOOD Filtering -  Enable  or Disable  the UDP-FLOOD  Filtering.   
¾ UDP-FLOOD Packets threshold: (5 ~ 3600) -  The default value is 50. Enter a value 
between 5 ~ 3600 packets. When the current  UPD-FLOOD Packets numbers is beyond the 
set value, the router will start up  the blocking function immediately. 
¾ Enable TCP-SYN-FLOOD Attack Filtering - Enable  or Disable the TCP-SYN- FLOOD  
Attack Filtering. 
¾  TCP-SYN-FLOOD Packets threshold: (5 ~ 3600) -  The default value is 50. Enter a value 
between 5 ~ 3600 packets. When the current  TCP-SYN-FLOOD Packets numbers is 
beyond the set value, the router will st art up the blocking function immediately. 
¾ Ignore Ping Packet from WAN Port  -  Enable  or Disable  ignore ping packet from WAN port. 
The default is disabled. If enabled, the ping packet from the Internet cannot access the 
router. 
¾  Forbid Ping Packet from LAN Port  - Enable or Disable forbidding Ping Packet to access 
the router from the LAN port. The default va lue is disabled. If enabled, the ping packet from 
the LAN port cannot access the router . (Defends against some viruses) 
Click the  Save button to save the settings. 
Click the  Blocked DoS Host Table  button to display the DoS host table by blocking. The page 
will appear that shown in Figure 4-43: 
 
Figure 4-43 Thwarted DoS Host Table 
This page shows  Host IP Address  and Host MAC Address  for each host blocked by the router.   
¾ Host IP Address-  The IP address that blocked by DoS are displayed here.  
						

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¾ Host MAC Address - The MAC address that blocked by DoS are displayed here. 
To update this page and to show the  current blocked host, click on the Refresh  button. 
Click the  Clear All button to clear all displayed entries. A fter the table is empty the blocked host 
will regain the capability to access Internet.   
Click the  Return button to return to the  Advanced Security page 
4.9 IP & MAC Binding Setting 
 
Figure 4-44 the IP & MAC Binding menu 
There are two submenus under the IP &MAC Binding menu (shown in  Figure 4-44): Binding 
Setting  and ARP List. Click any 

of them, and you will be  able to scan or configure the 
corresponding function. The det ailed explanations for each submenu are provided below. 
4.9.1 Binding Setting 
This page displays the IP & MAC Binding Setting t able; you can operate it in accord with your 
desire. (shown in  Figure 4-45).   
 
Figure 4-45 IP & MAC Binding Setting 
• MAC Address  -  The MAC address of the controll ed computer in the LAN.   
• IP Address -  The assigned IP address of the cont rolled computer in the LAN.   
• Bind  - Whether or not enable the arp binding.   
•  Modify  -  Edit or delete item.    
						

							TL-WR542G54Mbps Wireless Router User Guide 
 57 When you want to add or modify an IP & MAC Binding entry, you can click the Add New button 
or  Modify  button, and then you will go to the  next page. This page is used for adding or 
modifying an IP & MAC Binding entry
 (shown in  Figure 4-46).   
 
Figure 4-46 IP & MAC Binding Setting (Add & Modify) 
To add IP & MAC Binding entries: 
1. Click the  Add New... button.   
2.  Enter the MAC Address and IP Address. 
3.  Select the Bind checkbox.   
4. Click the  Save button to save it. 
To modify or delete an existing entry : 
1.  Find the desired entry  in the table.   
2. Click  Modify or Delete as desired on the  Modify column.   
To find an existing entry : 
1. Click the  Find button (shown in Figure 4-45).   
2. 

Enter the MAC Address or IP Address. 
3. Enter the  Find button in the next page (shown in  Figure 4-47). 
  
						

							TL-WR542G54Mbps Wireless Router User Guide 
 58Figure 4-47 Find IP & MAC Binding Entry 
Click the  Enable All  button to make all entries enabled. 
Click the  Delete All button to delete all entries. 
4.9.2 ARP List 
To manage the computer, you could observe  the computers in the LAN by checking the 
relationship of MAC address and IP address on the  ARP list, and you could configure the items on 
the ARP list also. This page displays the ARP Li st; it shows all the existing IP & MAC Binding 
entries (shown in  Figure 4-48).   
 
Figure 4-48 ARP List 
• MAC Address  - The MAC address of the contro lled computer in the LAN.   
• IP Address  - The assigned IP address of the controlled computer in the LAN.   
• Status  - Enabled or Disabled of the MAC address and IP address binding.   
• Configure  - Load or delete item.   
• Load - Load the item to the IP & MAC Binding list.   
• Delete - Delete the item.   
Click the  Bind All button to bind all the current items, available after enable. 
Click the  Load All button to load all items to the IP & MAC Binding list. 
Click the  Refresh button to refresh all items. 
) Note: 
An item could not be loaded to the IP & MAC Bind ing list if the IP address of the item has been 
loaded before. Error warning will prompt as well.  Likewise, Load All only loads the items without 
interference to the IP & MAC Binding list.  
						

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4.10 Static Routing 
A static route is a pre-determined  path that network information must travel to reach a specific 
host or network. To add or delete  a route, work in the area under the Static Routing page (shown 
in  Figure 4-49). 
 
Figure 4-49 Static Routing 
To add static routing entries: 
1. Click the  Add New button. (pop-up  Figure 4-50) 
2. 

Enter the following data: 
¾  Destination IP Address  -  The  Destination IP Address  is the address of the network or host 
that you want to assign to a static route.  
¾  Subnet Mask  -  The  Subnet Mask determines which portion of an IP Address is the network 
portion, and which portion  is the host portion.    
¾ Gateway  -  This is the IP Address of the gateway device that allows for contact between the 
router and the network or host.  
3. Select  Enabled or Disabled  for this entry on the  Status pull-down list. 
4. Click the  Save button to save it. 
 
Figure 4-50 Add or Modify a Static Route Entry 
To modify or delete an existing entry:  
						

							TL-WR542G54Mbps Wireless Router User Guide 
 60 1. Click the Modify in the entry you want to modify. If y ou want to delete the entry, click the  
Delete. 
2.  Modify the information.   
3. Click the  Save button. 
Click the  Enable All  button to make all entries enabled. 
Click the  Disabled All  button to make all entries disabled. 
Click the  Delete All  button to delete all entries 
4.11 DDNS 
The router offers a Dynamic Domain Name System ( DDNS) feature. DDNS lets you assign a fixed 
host and domain name to a dynamic Internet IP Addr ess. It is useful when you are hosting your 
own website, FTP server, or other  server behind the router. Before using this feature, you need to 
sign up for DDNS service providers such as 
www.dyndns.org, www.oray.net or 
www.comexe.cn. The Dynamic DNS client service provid er will give you a password or key. 
To set up for DDNS, follow these instructions: 
4.11.1  Dyndns.org DDNS 
If your selected dynamic DNS Service Provider is www.dyndns.org, the page will appear as 
shown in  Figure 4-51: 
 
Figure 4-51 Dyndns.org DDNS Settings 
To set up for DDNS, follow these instructions: 
1. Type the  domain names  your dynamic DNS service provider gave.   
2. Type the  User Name for your DDNS account.    
						

							TL-WR542G54Mbps Wireless Router User Guide 
 613. Type the 
Password for your DDNS account.   
4. Click the  Login button to login to the DDNS service. 
¾ Connection Status - The status of the DDNS servic e connection is displayed here. 
Click Logout to logout of the DDNS service. 
4.11.2  Oray.net DDNS 
If your selected dynamic DNS  Service Provider is www.oray.net, the page will appear as 
shown in  Figure 4-52: 
 
Figure 4-52 Oray.net DDNS Settings 
To set up for DDNS, follow these instructions: 
1. Type the  User Name for your DDNS account.   
2. Type the  Password for your DDNS account.   
3. Click the  Login button to login the DDNS service.   
¾ Connection Status -  The status of the DDNS servic e connection is displayed here. 
¾ Domain Name -  The domain names are displayed here. 
Click Logout to logout the DDNS service. 
4.11.3  Comexe.cn DDNS 
If your selected dynamic DNS Service Provider  is www.comexe.cn, the page will appear as 
shown in  Figure 4-53: