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3.3.5
Advanced
Advanced
DNS&DynDNS
The Domain Name Server (DNS) page allows you to define the system
name and domain name of the DWR-923 for DNS resolution. You can
assign a domain name to a particular computer with the use of Domain
Name System (DNS) entries. DNS allows you to assign a readable
system name to the DWR-923. All connected local network computers
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will appear in the list of hosts as belonging to the domain configured
on this page. Network hosts which are a part of a common domain can
view the list of other computers that are part of that domain.
Domain Name Server (DNS) Address:
System Name
: Enter the system name for the DWR-923.
Domain Name
: Enter the domain name to define the common domain
for computers connected to the DWR-923.
Description
: Add a description about the system name.
Dynamic DNS (DDNS)
is an Internet service that allows routers with
varying public IP addresses to be located using Internet domain names.
To use DDNS, you must setup an account with a DDNS provider such as
DynDNS.org and fill in the required account details including Domain
Name, Username and Password on this page.
Select the Dynamic DNS Service:
Select the DNS service that you are
subscribed to.
Domain Name
: Enter the domain name of the dynamic DNS account.
This is the DNS domain name which will be used. An example is
dyndns.org.
Username
: Enter the username of the dynamic DNS account. This will
be provided by the dynamic DNS service provider.
Password
: Enter the password for the dynamic DNS account.
Use wildcards
: Check this option to use wildcards.
Update every 30 days
: Selecting this configures the DWR-923 to update
the host information on DynDNS.com and keep the subscription active
after the 30 day trial period.
Click Apply to apply the changes. Or click Reset to undo your
configurations.
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Advanced
Firewall
This section displays the firewall security settings of the DWR-923. The
security levels are grouped into a set of rules corresponding to
maximum, typical, and minimum security settings. Advanced users can
supplement these rules with custom parental controls or port mapping
rules as needed. Select from one of the three security modes to
protect the local network from Internet intrusion:
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Security Mode Configuration:
Maximum Security
: All incoming requests from the Internet are
blocked by default and the router allows limited Internet destined
traffic from leaving the local network. This mode is the strongest level
of security. All traffic from the Internet is blocked from reaching the
local network, except what is allowed via port mapping policies that
apply to the local network. A limited set of commonly used services are
permitted to be accessed from the local network such as web traffic
(HTTP / HTTPS) or file transfer (FTP).
Typical Security
: All incoming requests from the Internet are still
blocked by default but the computers on the local network can access
the Internet without restrictions. This is the default and generally most
appropriate security setting for home networks. All traffic from the
Internet is blocked from reaching the local network, thus blocking
unwanted intrusion from the outside. At the same time local network
users are given unrestricted access to the Internet regardless of service
or application.
No Security
: This setting opens the firewall for all traffic to and from
the Internet. This mode provides unrestricted access from the local
network to the Internet and vice-versa. It is not recommended to set
the DWR-923 in this mode without additional parental controls as it
makes the local network vulnerable to attack from the Internet.
Click Apply to apply the changes. Or click Reset to undo your
configurations.
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Advanced
Firewall
Access Control
A list of all configured filtering rules is displayed in this section. Filtering
rules for computers indicate whether a defined service is specifically
allowed or blocked for use by that computer.
This is a security mechanism to selectively block or allow certain types
of traffic in accordance with rules specified by network administrators.
You can use this page to manage the firewall rules that control traffic to
and from your network.
Access Control:
Application
: The application on which the filtering rule is applied.
Computer Name
: The name of the host on which the filtering rule is
applied.
Status
:
Displays if the traffic is allowed or blocked.
Click Add to add an access rule, or select an item and click Edit to
modify or click Delete to delete the selected item.

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