Instant Broadband Series

IP Filtering

IP Filters block specific internal users from accessing the Internet and enable VPN (Virtual Private Network) sessions. You can set up filters by using IP addresses or network port numbers (or a range of ports).

Note: Only one VPN session may be conducted at a time.

EtherFast Cable/DSL Routers

Blocking WAN Requests

By enabling the Block WAN Request feature, you can prevent your network from being “pinged,” or detected, by other Internet users. The Block WAN Request feature also reinforces your network security by hiding your net- work ports. Both functions of the Block WAN Request feature make it more difficult for outside users to work their way into your network.

Click the Apply button to save your changes.

Using IPSec Pass Through

This feature lets you use IPSec Pass Through. To use this feature, click on Enable next to “IPSec Pass Through,” then click on Apply.

To disable IPSec Pass Through, click on Disable and then click on Apply.

Using PPTP Pass Through

Point-to-Point Tunneling Protocol is the method used to enable VPN (Virtual Private Networking) sessions. To enable this feature, click on Enable next to PPTP Pass Through, and then click Apply.

To disable this feature, click on Disable next to PPTP Pass Through, and then click Apply.

Setting Up Filters

To set up a filter using IP addresses, enter the range of IP addresses you

wish to filter into the IP address fields. Users who have filtered IP address-

es will not be able to access the Internet at all. If you only want to filter

Using Remote Management

This feature allows you to manage your Router from a remote location, via the Internet. To enable this feature, click on Enable, then click on Apply.

Remote Management and Remote Upgrades

must be activated

before you leave to a

remote location.

one IP address instead of a range of IP addresses, enter the same value into

both fields. For instance, if you wish to filter the PC with the IP address of

192.168.1.5, enter 5 into both fields on one line: 192.168.1.5~ 192.168.1.5.

Click Apply when you’re done.

To filter users by network port number, enter a network port number or a

range of network ports. Enter the port numbers you want to filter into the

port numbers fields. Users connected to the Router will no longer be able

to access any port number listed there.

To disable Remote Management, click on Disable, then click on Apply.

Using Remote Upgrade

This feature allows you to “flash,” or upgrade, your Router’s firmware from a remote location. To enable Remote Upgrade, click on Enable, then click on Apply.

To disable this feature, click on Disable, then click on Apply.

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Linksys BEFSR41 v2 manual IP Filtering