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NOTES
:
DDNS service will not work under these conditions:
•
When the xDSL modem router is using a private WAN IP address
(192.168.x.x, 10.x.x.x, or 172.16.x.x), as indicated by a yellow text.
•
The router may be on a network that uses multiple NAT tables.
4.3.7 NAT Passthrough
NAT Passthrough allows a Virtual Private Network (VPN)
connection to pass through the router to the network clients.
PPTP Passthrough
,
L2TP Passthrough
,
IPsec Passthrough
,
RTSP Passthrough
,
H.323 Passthrough
, and
SIP Passthrough
are enabled by default.
To enable / disable the NAT Passthrough settings, go to the
Advanced Settings
>
WAN
>
NAT Passthrough
tab. When done,
click
Apply
.
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72
4.4
IPv6
This xDSL modem router supports IPv6 addressing, a system
that supports more IP addresses. This standard is not yet widely
available. Contact your ISP if your Internet service supports IPv6.
To set up IPv6:
1.
From the navigation panel, go to
Advanced Settings
>
IPv6
.
2.
Select your
Connection Type
. The configuration options vary
depending on your selected connection type.
3.
Enter your IPv6 LAN and DNS settings.
4.
Click
Apply
.
NOTE
: Please refer to your ISP regarding specific IPv6 information for
your Internet service.
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73
4.5
VPN Server
VPN (Virtual Private Network) provides a secure communication
to a remote computer or remote network using a public network
such as the Internet.
NOTE
:
Before setting up a VPN connection, you would need the IP
address or domain name of the VPN server you are trying to access.
To set up access to a VPN server:
1.
From the navigation panel, go to
Advanced Settings
>
VPN
Server
.
2.
On the Enable VPN Server field, select
Yes
.
3.
On the Network Place (Samba) Support field, select
Yes
.
4.
Enter the user name and password for accessing the VPN
server. Click the
button.
5.
Click
Apply
.
NOTE
:
For advanced VPN server settings, click the
VPN Server
tab to
configure broadcast support, authentication, MPPE Encryption, and
Client IP address range.
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74
4.6
Firewall
The xDSL modem router can serve as a hardware firewall for your
network.
NOTE
:
The Firewall feature is enabled by default.
4.6.1 General
To set up basic Firewall settings:
1.
From the navigation panel, go to
Advanced Settings
>
Firewall
>
General
tab.
2.
On the
Enable Firewall
field, select
Yes.
3.
On the
Enable DoS
protection
, select
Yes
to protect your
network from DoS (Denial of Service) attacks though this may
affect your router’s performance.
4.
You can also monitor packets exchanged between the LAN
and WAN connection. On the Logged packets type, select
Dropped
,
Accepted
, or
Both
.
5.
Click
Apply
.
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4.6.2 URL Filter
You can specify keywords or web addresses to prevent access to
specific URLs.
NOTE
:
The URL Filter is based on a DNS query. If a network client has
website will not be blocked (a DNS cache in the system stores previously
visited websites). To resolve this issue, clear the DNS cache before
setting up the URL Filter.
To set up a URL filter:
1.
From the navigation panel, go to
Advanced Settings
>
Firewall
>
URL Filter
tab.
2.
On the Enable URL Filter field, select
Enabled
.
3.
Enter a URL and click the
button.
4.
Click
Apply
.
19216811.live