Table 25: DNAT
ALG
ALG stands for
Application Layer Gateway
. Its purpose is to prevent some of the problems caused by router firewalls by
inspecting VoIP traffic (packets) and if necessary modifying it. Navigate to
Web GUI → Firewall → ALG
to activate ALG.
Figure 78: ALG
CAPTIVE PORTAL
Captive Portal feature on GWN70xx helps to define a Landing Page (Web page) that will be displayed on Wi-Fi clients’
browsers when attempting to access the Internet. Once connected Wi-Fi clients will be forced to view and interact with that
landing page before Internet access is granted.
The Captive Portal feature can be configured from the GWN70xx Web page under “
Captive Portal
”.
Policy List
Protocol Type
Select one of the protocols from dropdown list or All, available options are: UDP, TCP, TCP/UCP and All.
Source Group
Select a WAN interface or a LAN group for Source Group, or select All.
Source IP Address
Set the Source IP address.
Source Port
Set the Source Port.
Destination Group
Select a WAN interface or a LAN group for Destination Group, or select All. Make sure that destination and
source groups are different to avoid conflict.
Destination IP Address
Set the Destination IP address.
Rewrite Destination IP
Address
Set the Rewrite Destination IP Address.
Destination Port
Set the Destination Port.
Rewrite Destination Port
Set the Rewrite Destination Port
NAT Reflection
Click on "
ON
" to enable NAT Reflection
NAT Reflection Source
Select NAT Reflection either Internal or External.