Linksys BEFW11P1 Router Manual PDF (Setup & Configuration Guide)

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You can access this screen at any time by clicking the

Advanced

button, fol-

lowed by the

Access Control

button, and then the

Groups

button.

The Access Control feature allows administrators to restrict Internet access

through the Wireless AP + Cable/DSL Router’s by individual PCs on the net-

work. The feature utilizes Packet Filtering to block or discard data packets.

Selected Entry

• Group.

By default, this pull-down menu will always be set to Everyone,

which means that all the Access Right for all PCs in the Network will be

restricted uniformly according to the settings under Access Rights (below).

26

25

Etherfast

®

Wireless AP + Cable/DSL Router with PrintServer

Access Control: Groups

Instant Broadband

TM

Series

T

o

Add a Ne

w

Application

Click the

Clear Form

button and enter the Application’s details in the fields

provided. (This information is available in your application’s documentation.)

Select either a UDP or TCP protocol from the drop-down box as shown. Click

the

Create

button when completed. Ignore the drop-down menu next to

Special

Application

.

T

o Delete an Existing

Application

Selected the Application from the drop-down menu next to

Selected Entry

.

Click the

Get Data

button to view the information, if it is not brought up auto-

matically, and confirm that this is the correct Application. Then, click the

Delete

button.

T

o Change an Existing

Application’

s Details

Select the Application from the drop-down menu next to

Selected Entry

. Click

the

Get Data

button if the information on that particular Application is not

brought up automatically. Make any necessary changes and click the

Update

button when completed.

T

o List

All of the Special

Applications

Click the

List All

button to generate a list of all applications.

If you have any questions about anything on this screen, click the

Help

button

to bring up the Help window for this screen.

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When you are ready to save any changes you have made, click the

Save

button.

To undo any changes before saving, click the

Cancel

button.

If you have any questions about anything on this screen, click the

Help

button

to bring up the Help window for this screen.

28

To choose another Selected Entry, simply select the Group from the pull-down

menu. Then, click the

Get Data

button to bring up the information specific to

that Selected Entry, if it does not come up automatically.

Access Rights

Changing the option in these fields will affect the group selected under

Selected Entry. Access Rights may be modified as follows:

• No restrictions.

No packets are blocked. Use this to create an “Unlimited

Access” Group, or to temporarily remove restrictions from a group.

• Block all Internet Access.

Group members cannot access the Internet at all.

Use this to create the most restrictive group.

• Use Packet Filter Table below.

Use this to define intermediate levels of

access. Using the Packet Filter table gives you fine control over Internet access.

P

ack

et Filter

T

a

b

le

Simply select the items you wish to block. You can choose from the pre-defined

filters in the Applications column or use your own pre-defined filters (as shown

in the Access Control:Filters section) in the TCP Packet Filters and UDP Packet

Filters fields.

• Applications.

Any items checked will be blocked. Users will not be able to

use the application.

• TCP Packet Filters.

This lists any TCP filters you have defined at the Access

Control:Filters screen. If no filters have been defined, this will appear empty.

Multiple filters can be selected (or deselected) by holding down the

Ctrl

key

while selecting filters. Any filters selected will not be accessible by members

of this group.

• UDP Packet Filters.

This lists any UDP filters you have defined at the

Access Control:Filters screen. If no filters have been defined, this will appear

empty. Multiple filters can be selected (or deselected) by holding down the

Ctrl

key while selecting filters. Any filters selected will not be accessible by mem-

bers of this group.

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Instant Broadband

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• Reserve entry in DHCP Table.

Check this if you wish to reserve an IP

Address for this PC. This is useful if you have to provide the IP Address for

other programs or users. If this is left unchecked, the

Reserve IP Address

field

will not be active.

• Reserved IP Address.

When the

Reserve entry in DHCP Table

box is

checked, this field will be active. Enter the reserve address here. This must be

within the range used by the DHCP server.

• Security Group.

Use this field to identify the security group for this PC. The

security group selected will be one of the Groups that was set on the

Access

Control:Groups

screen.

T

o

Add a Ne

w

W

orkstation

Click the

Clear Form

button and enter the Workstation details in the fields pro-

vided. Click the

Create

button when completed. Ignore the drop-down menu

next to

Existing PCs

.

T

o Delete an Existing

W

orkstation

Selected the Workstation from the drop-down menu next to

Existing PCs

.

Click the

Get Data

button to view the information, if it is not brought up auto-

matically, and confirm that this is the correct Workstation. Then, click the

Delete

button.

T

o Change an Existing

W

orkstation’

s Details

Select the Workstation from the drop-down menu next to

Existing PCs

. Click

the

Get Data

button, which will call up the information on that particular

Workstation if it is not brought up automatically. Make any necessary changes

and click the

Update

button when completed.

30

You can access this screen at any time by clicking the

Advanced

button, fol-

lowed by the

Access Control

button, and then the

PCs

button.

Selected Entry

• Existing PCs.

When this pull-down menu is active, it will show the names of

the PCs currently connected to the Wireless AP + Cable/DSL Router.

To choose another Selected Entry, simply select the PC from the pull-down

menu. Then, click the

Get Data

button to bring up the information specific to

that Selected Entry, if it is not brought up automatically.

Pr

oper

ties

• Workstation Name.

Use this field to identify the PC within the Network.

• Hardware (MAC) Address.

Enter the Hardware Address of the PC into this

field. This is also called the "Physical Address" or "Network Adapter Address".

For information on how to determine your PC’s MAC address, refer to the

“How to Determine Your PC’s MAC Address” section in the Appendix.

29

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®

Wireless AP + Cable/DSL Router with PrintServer

Instant Broadband

TM

Series

Access Control: PCs

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You can access this screen at any time by clicking the

Advanced

button, fol-

lowed by the

Access Control

button, and then the

Filters

button.

The Access Control:Filters screen allows you to define packet filters for use on

the Access Control:Groups screen. When you define security groups on the

Access Control:Groups screen, you can select from any filters defined here,

along with those pre-set filters.

TCP P

ack

ets

• Name.

Enter a name describing this filter.

• Port No.

Enter an integer representing the Port Number for this type of pack-

et. This information can normally be provided by the service provider.

Otherwise, refer to the documentation for the application you are looking to fil-

ter, to find the specified port

UDP P

ack

ets

• Name.

Enter a name describing this filter.

32

T

o List

All of the

W

orkstations

Click the

List All

button to generate a list of all workstations.

If you have any questions about anything on this screen, click the

Help

button

to bring up the Help window for this screen.

31

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®

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Access Control: Filters

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You can access this screen at any time by clicking the

Advanced

button and

then clicking the

Virtual Servers

button.

The Virtual Servers screen allows you to create virtual servers within your

Network. In this way, you can make various resources accessible via your web

browser and other applications.

The Virtual Servers feature allows access to Servers on your network from the

Internet. Without this feature, such access would be blocked by the Firewall.

All of your Virtual Servers have the IP Address allocated by your ISP. This IP

Address is shown on the Status screen. It is preferable to have your ISP allo-

cate you a Fixed IP Address if you wish to use the Virtual Servers feature.

Otherwise, this Address will change often, making if difficult to connect to

your Servers. This option should

not

be used if your ISP provides you with a

Dynamic IP Address.

34

• Port No.

Enter an integer representing the Port Number for this type of pack-

et. This information can normally be provided by the service provider.

Otherwise a Network Analyzer or Packet Sniffer can be used to determine the

correct port number.

When you are ready to save any changes you have made, click the

Save

button.

To undo any changes before saving, click the

Cancel

button.

If you have any questions about anything on this screen, click the

Help

button

to bring up the Help window for this screen.

33

Etherfast

®

Wireless AP + Cable/DSL Router with PrintServer

Virtual Servers

Instant Broadband

TM

Series

Downloaded from

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