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Advanced Setup Procedures
After completing the
Simple Setup
menu options, you will next move to the
Advanced Setup
options.
You may also go directly to any of these screens by clicking that option on the main menu.
The SpeedStream 2602 DSL/Cable Router supports advanced functions including hacker attack protection,
virtual servers, special applications configuration, virtual server, client filtering, and remote management.
We highly recommend you keep the default settings.
Configure LAN Gateway and DHCP Settings
From this screen, you can dynamically assign the IP addresses for client computers, enable the DHCP
server, set the lease time, and specify the address range.
Note:
Remember to configure all of your client computers for dynamic address allocation.
Valid IP addresses consist of four numbers separated by periods. The first three fields are the network
portion, and can be from 0–255, while the last field is the host portion and can be from 1 to 254. Remember
not to include the gateway address of the SpeedStream 2602 in the client address pool.
Figure 3-1.
Advanced Setup | LAN
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Enable Firewall Protection
From the Advanced Setup | Firewall screen, you can enable the SpeedStream 2602 firewall to block
common hacker attacks, including IP Spoofing, Land Attack, Ping of Death, IP with zero length, Smurf
Attack, UDP port loopback, Snork Attack, TCP null scan, and TCP SYN flooding. The firewall does not
significantly affect system performance, so we advise leaving it enabled to protect your network users.
Enable Virtual Server
From the Advanced Setup screen, you can enable Virtual Server. If you configure the SpeedStream 2602 as
a virtual server, remote users accessing services such as Web or FTP at your local site via public IP
addresses can be automatically redirected to local servers configured with private IP addresses. Depending
on the requested service (TCP/UDP port number), the SpeedStream 2602 redirects the external service
request to the appropriate server located at another internal IP address.
Figure 3-2.
Advanced Setup | Virtual Server
1.
Specify the
Private IP
,
Private Port
,
Type
, and
Public Port
information.
2.
Click
Enter
to save the settings and continue.
Automatically Entering Port Information
You can have the system automatically enter the most common application ports:
1.
Scroll to the bottom of the Advanced Setup | Virtual Server screen.
2.
In the
Well known services
box, select the desired service.
3.
Click in the box to the right of
Copy to
and select the line number to which the system will enter that
information.
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4.
Tto enter that information in the Public Port boxes on the designated line, click
Copy
to
.
Network Address Translation (NAT)
Network Address Translation, or NAT, is automatically enabled when you enable multi-user Internet
access or enable the Virtual Server function. NAT provides multiple users with access to the Internet via a
single user account, or maps the local address for an IP server (such as Web or FTP) to a public address.
This secures your network from direct attack by hackers, and provides more flexible management by
allowing you to change internal IP addresses without affecting outside access to your network.
Configure Special Applications
Use the
Advanced Setup
menu to configure applications that require multiple connections, such as
Internet games, video-conferencing, and Internet telephony. These applications may not work when
Network Address Translation (NAT) is enabled. If you need to run applications that require multiple
connections, use the following screen to specify the additional public ports to be opened for each
application.
Figure 3-3.
Advanced Setup | Special Applications
1.
In the
Trigger Port
box, specify the port normally associated with an application.
2.
Select
TCP
or
UDP
as the protocol type.
3.
In the
Public Port
box, enter the public ports associated with the trigger port to open them for inbound
traffic.
Automatically Entering Port Information
You can have the system automatically enter the most common application ports:
1.
Scroll to the bottom of the Advanced Setup | Special Applications screen.
2.
In the
Popular applications
box, select the desired application.
3.
Click in the box to the right of
Copy to
and select the line number to which the system will enter that
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information.
4.
Click
Copy to
to enter that information in the
Public Port
boxes on the designated line.
If an application still cannot function correctly after enabling multiple ports via the Special Application
screen, you may need to use the Virtual DMZ Host option to open the client computer for full Internet
access. (Refer to the “Miscellaneous Services” section for instructions.)
Configure Client Filtering
You can filter Internet access for local clients based on IP address, application type (i.e., HTTP port), and
time of day.
For example, the following screen indicates that clients in the address range 192.168.254.50 to
192.168.254.99 are permanently restricted from using FTP (port 21), while clients in the address range
192.168.254.110 to 192.168.254.119 are blocked from browsing the Internet from 8:00 a.m. to 5:00 p.m.,
Monday through Friday.
Figure 3-4.
Advanced Setup | Client Filtering
Configure Miscellaneous Features
From the Advanced Setup | Misc screen, you can configure these additional features:
•
Administrator Time-Out
– Specify the amount of time of inactivity before the SpeedStream 2602
automatically closes the Administrator session. To disable this function, enter
0
.
•
Discard PING from WAN side
– When this feature is enabled, hosts on the WAN cannot ping the
SpeedStream 2602.
•
Remote Management
– By default, management access is only available to users on your local network.
However, you can also manage the SpeedStream 2602 from a remote host by adding the IP address of an
administrator.
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Caution:
If you specify an IP address of 0.0.0.0, any host can manage the SpeedStream 2602.
•
IP Address of Virtual DMZ Host
– You may encounter a client PC that cannot properly run Internet
applications from behind the NAT firewall or after configuring the Special Applications function. This
feature allows you to open the client up to unrestricted two-way Internet access. Enter the IP address of
a DMZ host.
Caution:
Adding a client to the DMZ (demilitarized zone) may expose your local network to a variety of security
risks.
Use this option as a last resort only!
System Tools
From the Tools screen, you can manage additional features and functions of the SpeedStream 2602.
•
Change Password
– Set a new password or change the existing one.
•
Set Time Zone
– Choose the local time zone.
•
Reset Router
– Reboot the router and retain all your configuration settings.
•
Restore Factory Defaults
– Reboot the router, remove your configuration settings, and return them to
the factory default settings.
•
Update Firmware
– Upgrade the router firmware by downloading from the SpeedStream Web site.
•
Backup Settings
– Save the settings to your computer hard drive.
•
Restore Settings
– Reinstate your most recently saved settings.
Set or Change a Password
From the Simple Setup | Change Password screen, you can set a new password or change an existing
password to restrict management access. Passwords can consist of 3 to 12 alphanumeric characters and are
not case-sensitive.
Although any user can access the
Status
and
Help
menus, the
Simple Setup
,
Advanced Setup
, and
Tools
configuration options are permission-based and require a password. The default password is
admin
. To
ensure system security, it is recommended that you assign your Administrator a unique password as soon
as possible.
Note:
If your password is lost or you cannot gain access to the management interface, restore the factory defaults.
Press and hold the
Reset
button for at least five seconds.
1.
On the main menu, click
Tools
.
2.
On the
Tools
menu, click
Change Password
.
3.
On the Change Password screen, enter the current password in the first text box; then enter the new
password in the next two text boxes.
4.
Click
Enter
to save settings and continue.

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