Nortel-networks NB5PLUS4/W Uživatelský manuál stáhnout pdf (Strana 54)

NB5Plus4/W User Guide YML754Rev1

54 www.netcomm.com.au

table, click on the Port Forwarding menu item to return to the main Port Forwarding

screen.

User-created rules will be shown in the Available Rules list when the User Category

radio button is selected. You can now apply the rule(s) by selecting it and clicking

Add. This will add the rule to list of applied rules.

Advanced > IP Filters

The IP lters page allows you to specify Normal Port Forwards, Block ALL trafc

to specic LAN Clients or specify Custom IP lters that will control the ow of data

across the router.

Custom IP Filters (often also referred to as ‘Access Control Lists’ ) allow you to

specify individual rules that will deny trafc by dening the following:

• Source IP address or IP Subnet

• Destination IP address or Subnet

• Port or Port range

• Protocol

Custom IP lters are different from Port forwards, or Block All trafc because they

allow greater scopes of IP addresses to be included in the block.

Note: You must have at least one LAN Client in your LAN clients table before IP

lters can be created. To create a LAN Client, see the section below on LAN

Clients under the Advanced Menu.

Advanced > Access Control

Use Access Control to congure advanced security functions by customising the

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Nortel-networks NB5PLUS4/W Uživatelský manuál Strana 54