User`s manual

Set DNS Manually Click to select getting DNS address for L2TP support.
DNS 1 Fill in the IP address of Domain Name Server 1.
DNS 2 Fill in the IP address of Domain Name Server 2.
DNS 3 Fill in the IP address of Domain Name Server 3.
Clone MAC Address Fill in the MAC address that is the MAC address to be
cloned. Refer to 4.24 What is Clone MAC Address?
Enable uPNP Click the checkbox to enable uPNP function.
Refer to 4.22 What is Universal Plug and Play (uPNP)?
Enable IGMP Proxy Click the checkbox to enable IGMP Proxy.
Enable Ping Access on
WAN
Click the checkbox to enable WAN ICMP response.
Enable Web Server
Access on WAN
Click the checkbox to enable web configuration from
WAN side.
Enable IPsec pass
through on VPN
connection
Click the checkbox to enable IPSec packet pass through
Enable PPTP pass
through on VPN
connection
Click the checkbox to enable PPTP packet pass through
Enable L2TP pass
through on VPN
connection
Click the checkbox to enable L2TP packet pass through
Enable IPv6 pass
through
Click the checkbox to enable IPv6 packet pass through
Apply Changes Click the Apply Changes button to complete the new
configuration setting.
Reset Click the Reset button to abort change and recover the
previous configuration setting.
3.3.14 Firewall - Port Filtering
Entries in this table are used to restrict certain types of data packets from your
local network to Internet through the Gateway. Use of such filters can be
helpful in securing or restricting your local network.