D-Link DWR-923 Router Manual PDF (Setup & Configuration Guide)

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3.3.5

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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