Page 31 / 69
Scroll up to view Page 26 - 30
Page 31 of 69
Figure 28. NAT – Port Triggering – Add
Some applications require that specific port(s) in the Router's firewall
be opened for access by the remote parties. Port Trigger dynamically
opens up the 'Open Ports' in the firewall when an application on the
LAN initiates a TCP/UDP connection to a remote party using the
'Triggering Ports'. The Router allows the remote party from the WAN
side to establish new connections back to the application on the LAN
side using the 'Open Ports'.
3.4.3.3
DMZ Host
Page 32 / 69
Page 32 of 69
Figure 29. NAT – DMZ Host
The AH4021 will forward IP packets from the WAN that do not
belong to any of the applications configured in the Virtual Servers
table to the DMZ host computer.
3.4.4
Security
3.4.4.1
IP Filtering
3.4.4.1.1
Outgoing
Page 33 / 69
Page 33 of 69
Figure 30. Security – IP Filtering – Outgoing
Figure 31. Security – IP Filtering – Outgoing – Add
It allows the users to create a filter rule to identify
outgoing IP traffic by specifying a new filter name and at
least one condition. All of the specified conditions in this
filter rule must be satisfied for the rule to take effect.
Page 34 / 69
Page 34 of 69
3.4.4.1.2
Incoming
Figure 32. Security – IP Filtering – Incoming
Figure 33. Security – IP Filtering – Incoming – Add
It allows the users to create a filter rule to identify
incoming IP traffic by specifying a new filter name and at
least one condition. All of the specified conditions in this
Page 35 / 69
Page 35 of 69
filter rule must be satisfied for the rule to take effect.
When there are multiple WAN interfaces configured, users
can choose which interface(s) will apply the rule.
3.4.4.2
Parental Control
Figure 34. Security – Parental Control
Figure 35. Security – Parental Control – Add