CTC Union ICR-W401, User Manual

Page: 123 / 147

123
CHAPTER 3.
WEB CONFIGURATIONS
3.10.7 NAT
This section allows you to set NAT configuration.
When NAT mode is Enable , the router will replace the source private IP address by its Internet
public address for outgoing packets, and replace the destination Internet public address by
private IP address for incoming packets.
When NAT mode is Disable , the router will send the source LAN private IP address for outgoing
packets and allow to receive the destination LAN private IP address for incoming packets.
3.10.8 IPS
This section allows you to set IPS configuration. IPS prevents the system from being attacked by
the Internet.
The system allows to limit the max incoming connection number from WAN per source IP
address to prevent system resource exhausted. Also, the system allows to limit the max incoming
connection retry number during a specific time period from WAN per source IP address to
prevent too many unexpected connections retry event from causing system busy.
Firewall > IPS
Item Description
Mode Turn on / off IPS function (default: Off)
Total allow incoming connection number
Select the checkbox to enable or disable the
function. The default number is 10.
Max incoming connection retry number
Select the checkbox to enable or disable the
function. The default number is 20.
Duration time The default time is 120 seconds.