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Page 51 / 149 Scroll up to view Page 46 - 50
Reference Manual for the Model FR114P, FR114W and FM114P Cable/DSL ProSafe Firewall
Basic Configuration
4-7
A DNS server is a host on the Internet that translates Internet names (such as www
addresses) to numeric IP addresses. Typically your ISP transfers the IP addresses of one or
two DNS servers to your firewall during login. If the ISP does not transfer an address, you
must obtain it from the ISP and enter it manually here. If you enter an address here, you
should reboot your PCs after configuring the firewall.
3.
Click on Apply, then proceed to
“Completing the Configuration“ on page 4-9
.
Configuring for an Account with Login
If the Setup Wizard determines that your Internet service account uses a login protocol such as
PPP over Ethernet (PPPoE), you will be directed to a menu like the PPPoE menu shown in
Figure 4-5
below:
Figure 4-5.
Setup Wizard menu for PPPoE login accounts
1.
Enter your Account Name (may also be called Host Name) and Domain Name. These
parameters may be necessary to access your ISP’s services such as mail or news servers. If you
leave the Domain Name field blank, the firewall will attempt to learn the domain
automatically from the ISP. If this is not successful, you may need to enter it manually.
2.
Enter the PPPoE login user name and password provided by your ISP. These fields are case
sensitive. If you wish to change the login timeout, enter a new value in minutes.
Page 52 / 149
Reference Manual for the Model FR114P, FR114W and FM114P Cable/DSL ProSafe Firewall
4-8
Basic Configuration
Note:
You will no longer need to launch the ISP’s login program on your PC in order to access
the Internet. When you start an Internet application, your firewall will automatically log you
in.
3.
Domain Name Server (DNS) Address: If you know that your ISP does not automatically
transmit DNS addresses to the firewall during login, select “Use these DNS servers” and enter
the IP address of your ISP’s Primary DNS Server. If a Secondary DNS Server address is
available, enter it also.
A DNS server is a host on the Internet that translates Internet names (such as www
addresses) to numeric IP addresses. Typically your ISP transfers the IP addresses of one or
two DNS servers to your firewall during login. If the ISP does not transfer an address, you
must obtain it from the ISP and enter it manually here. If you enter an address here, you
should reboot your PCs after configuring the firewall.
4.
Click on Apply, then proceed to
“Completing the Configuration“ on page 4-9
.
Manual Configuration
You can manually configure the firewall in the Basic Settings menu shown in
Figure 4-2
using
these steps:
1.
Select whether your Internet connection requires a login.
Select ‘Yes’ if you normally must launch a login program such as EnterNet or WinPOET in
order to access the Internet.
2.
Enter your Account Name (may also be called Host Name) and Domain Name. These
parameters may be necessary to access your ISP’s services such as mail or news servers.
3.
(If displayed) Enter the PPPoE login user name and password provided by your ISP. These
fields are case sensitive. If you wish to change the login timeout, enter a new value in minutes.
Note:
You will no longer need to launch the ISP’s login program on your PC in order to access
the Internet. When you start an Internet application, your firewall will automatically log you
in.
4.
Internet IP Address: If your ISP has assigned you a permanent, fixed (static) IP address for
your PC, select “Use static IP address”. Enter the IP address that your ISP assigned. Also enter
the netmask and the Gateway IP address. The Gateway is the ISP’s router to which your
firewall will connect.
Page 53 / 149
Reference Manual for the Model FR114P, FR114W and FM114P Cable/DSL ProSafe Firewall
Basic Configuration
4-9
5.
Domain Name Server (DNS) Address: If you know that your ISP does not automatically
transmit DNS addresses to the firewall during login, select “Use these DNS servers” and enter
the IP address of your ISP’s Primary DNS Server. If a Secondary DNS Server address is
available, enter it also.
A DNS server is a host on the Internet that translates Internet names (such as www
addresses) to numeric IP addresses. Typically your ISP transfers the IP addresses of one or
two DNS servers to your firewall during login. If the ISP does not transfer an address, you
must obtain it from the ISP and enter it manually here. If you enter an address here, you
should reboot your PCs after configuring the firewall.
6.
Router’s MAC Address: This section determines the Ethernet MAC address that will be used
by the firewall on the Internet port. Some ISPs will register the Ethernet MAC address of the
network interface card in your PC when your account is first opened. They will then only
accept traffic from the MAC address of that PC. This feature allows your firewall to
masquerade as that PC by “cloning” its MAC address.
To change the MAC address, select "Use this Computer’s MAC address". The firewall will
then capture and use the MAC address of the PC that you are now using. You must be using
the one PC that is allowed by the ISP.
7.
Click Apply, then proceed to
Completing the Configuration
.
Completing the Configuration
Click on the Test button to test your Internet connection. If the NETGEAR website does not
appear within one minute, refer to
Chapter 10, “Troubleshooting
”.
Your firewall is now configured to provide Internet access for your network. When your firewall
and PCs are configured correctly, your firewall automatically accesses the Internet when one of
your LAN devices requires access.
To access the Internet from any PC connected to your firewall, launch a browser such as Microsoft
Internet Explorer or Netscape Navigator. You should see the firewall’s Internet LED blink,
indicating communication to the ISP. The browser should begin to display a Web page.
Note:
After your firewall has been configured, it will not be necessary to run a dialer or
login application such as Dial-Up Networking, EnterNet, or WinPOET to connect, log
in, or disconnect. These functions will be performed by the firewall as needed. Any such
login software installed on your PC can be disabled or uninstalled.
Page 54 / 149
Reference Manual for the Model FR114P, FR114W and FM114P Cable/DSL ProSafe Firewall
4-10
Basic Configuration
The following chapters describe how to configure the Advanced features of your firewall, and how
to troubleshoot problems that may occur.
Page 55 / 149
Security
5-1
Chapter 5
Security
This chapter describes how to use the security features of your FR114P, FR114W or FM114P
Cable/DSL ProSafe Firewall. The firewall provides you with selective blocking of inbound and
outbound services, Web content filtering by keyword, and with security incident logging. You can
configure the firewall to e-mail its log to you at specified intervals. You can also configure the
firewall to send immediate alert messages to your e-mail address or e-mail pager whenever a
significant security event occurs.
To configure these features of your firewall, click on the subheadings under the Security heading
in the Main Menu of the browser interface.
What is a Firewall
A firewall is a special category of router that protects one network (the “trusted” network, such as
your LAN) from another (the “untrusted” network, such as the Internet), while allowing
communication between the two. A firewall incorporates the functions of a NAT (Network
Address Translation) router, while adding features for dealing with a hacker intrusion or attack,
and for controlling the types of traffic that can flow between the two networks. Unlike simple
Internet sharing NAT routers, a firewall uses a process called stateful packet inspection to protect
your network from attacks and intrusions. NAT performs a very limited stateful inspection in that
it considers whether the incoming packet is in response to an outgoing request, but true Stateful
Packet Inspection goes far beyond NAT.

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