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Page 86 / 141 Scroll up to view Page 81 - 85
Archer C5
AC1200 Wireless Dual Band Gigabit Router
- 75 -
ALG -
It is recommended to enable Application Layer Gateway (ALG) because ALG allows
customized Network Address Translation (NAT) traversal filters to be plugged into the
gateway to support address and port translation for certain application layer "control/data"
protocols such as FTP, TFTP, H323 etc.
FTP ALG
- To allow FTP clients and servers to transfer data across NAT, click
Enable
.
TFTP ALG
- To allow TFTP clients and servers to transfer data across NAT, click
Enable
.
H323 ALG
- To allow Microsoft NetMeeting clients to communicate across NAT, click
Enable
.
RTSP ALG
- To allow some media player clients to communicate with some streaming
media servers across NAT, click
Enable
.
SIP ALG
- To allow some multimedia clients to communicate across NAT, click
Enable
.
Click the
Save
button to save your settings.
4.13.2
Advanced Security
Choose menu “
Security
→
Advanced Security
”, and then you can protect the router from being
attacked by TCP-SYN Flood, UDP Flood and ICMP-Flood in the screen as shown in Figure 4-66.
Figure 4-66 Advanced Security
Page 87 / 141
Archer C5
AC1200 Wireless Dual Band Gigabit Router
- 76 -
Packets Statistics Interval (5~60) -
The default value is 10. Select a value between 5 and
60 seconds from the drop-down list. The Packets Statistics Interval value indicates the time
section of the packets statistics. The result of the statistics is used for analysis by SYN Flood,
UDP Flood and ICMP-Flood.
DoS Protection -
Denial of Service protection. Check the Enable or Disable button to
enable or disable the DoS protection function. Only when it is enabled, will the flood filters be
enabled.
Note:
Dos Protection will take effect only when the
Traffic Statistics
in “
System Tools
→
Statistics
” is enabled.
Enable ICMP-FLOOD Attack Filtering
-
Enable or Disable the ICMP-FLOOD Attack
Filtering.
ICMP-FLOOD Packets Threshold (5~3600)
-
The default value is 50. Enter a value
between 5
~
3600. When the current ICMP-FLOOD Packets number is beyond the set value,
the router will startup the blocking function immediately.
Enable UDP-FLOOD Filtering
-
Enable or Disable the UDP-FLOOD Filtering.
UDP-FLOOD Packets Threshold (5~3600)
-
The default value is 500. Enter a value
between 5
~
3600. When the current UPD-FLOOD Packets number is beyond the set value,
the router will startup the blocking function immediately.
Enable TCP-SYN-FLOOD Attack Filtering
-
Enable or Disable the TCP-SYN-FLOOD
Attack Filtering.
TCP-SYN-FLOOD Packets Threshold (5~3600)
-
The default value is 50. Enter a value
between 5
~
3600. When the current TCP-SYN-FLOOD Packets numbers is beyond the set
value, the router will startup the blocking function immediately.
Ignore Ping Packet From WAN Port
-
Enable or Disable Ignore Ping Packet From WAN
Port. The default setting is disabled. If enabled, the ping packet from the Internet cannot
access the router.
Forbid Ping Packet From LAN Port
-
Enable or Disable Forbid Ping Packet From LAN Port.
The default setting is disabled. If enabled, the ping packet from LAN cannot access the router.
This function can be used to defend against some viruses.
Click the
Save
button to save the settings.
Click the
Blocked DoS Host List
button to display the DoS host table by blocking.
Page 88 / 141
Archer C5
AC1200 Wireless Dual Band Gigabit Router
- 77 -
4.13.3
Local Management
Choose menu “
Security
→
Local Management
”, and then you can configure the management
rule in the screen as shown in Figure 4-67. The management feature allows you to deny
computers in LAN from accessing the router.
Figure 4-67 Local Management
By default, the radio button “
All the PCs on the LAN are allowed to access the router's
Web-Based Utility
” is checked. If you want to allow PCs with specific MAC Addresses to access
the Setup page of the router's Web-Based Utility locally from inside the network, check the radio
button “
Only the PCs listed can browse the built-in web pages to perform Administrator
tasks
”, and then enter each MAC Address in a separate field. The format for the MAC Address is
XX-XX-XX-XX-XX-XX (X is any hexadecimal digit). Only the PCs with MAC address listed can
use the password to browse the built-in web pages to perform Administrator tasks while all the
others will be blocked.
After click the
Add
button, your PC's MAC Address will be placed in the list above.
Click the
Save
button to save your settings.
Note:
If your PC is blocked but you want to access the router again, use a pin to press and hold the
WPS/Reset
button
(hole) on the back panel for about 5 seconds to reset the router’s factory
defaults on the router’s Web-Based Utility.
4.13.4
Remote Management
Choose menu “
Security
→
Remote Management
”, and then you can configure the Remote
Management function in the screen as shown in Figure 4-68. This feature allows you to manage
your router from a remote location via the Internet.
Page 89 / 141
Archer C5
AC1200 Wireless Dual Band Gigabit Router
- 78 -
Figure 4-68 Remote Management
Web Management Port -
Web browser access normally uses the standard HTTP service
port 80. This router's default remote management web port number is 80. For greater security,
you can change the remote management web port to a custom port by entering that number
in the box provided. Choose a number between 1 and 65534 but do not use the number of
any common service port.
Remote Management IP Address
-
This is the current address you will use when accessing
your router from the Internet. This function is disabled when the IP address is set to the
default value of 0.0.0.0. To enable this function change 0.0.0.0 to a valid IP address. If set to
255.255.255.255, then all the hosts can access the router from internet.
Note:
1.
To access the router, you should type your router's WAN IP address into your browser's
address (in IE) or Location (in Navigator) box, followed by a colon and the custom port
number. For example, if your router's WAN address is 202.96.12.8, and the port number
used is 8080, please enter http://202.96.12.8:8080 in your browser. Later, you may be asked
for the router's password. After successfully entering the username and password, you will
be able to access the router's web-based utility.
2.
Be sure to change the router's default password to a very secure password
.
4.14 Parental Control
Choose menu “
Parental Control
”, and then you can configure the parental control in the screen
as shown in Figure 4-69. The Parental Control function can be used to control the internet
activities of the child, limit the child to access certain websites and restrict the time of surfing.
Page 90 / 141
Archer C5
AC1200 Wireless Dual Band Gigabit Router
- 79 -
Figure 4-69 Parental Control Settings
To add a new entry, please follow the steps below.
1.
Click the
Add New…
button and the next screen will pop-up as shown in Figure 4-70.
Figure 4-70 Add or Modify Parental Control Entry
MAC Address of Child PC
- Enter the MAC address of the PC you want to control, or
you can make use of the All MAC Address In Current LAN item below. If you leave it
blank, then the rule will be applied to all of the PCs except the parental PC.
ALL MAC Address In Current LAN
- You can see the MAC addresses of all PCs in
current LAN by clicking on the drop-down button. Choose one of them, then this MAC
address will be filled to the MAC Address of Child PC field.

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