NETGEAR DG834G, Справочное руководство

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Reference Manual for the Model Wireless ADSL Firewall Router DG834G
5-10 Protecting Your Network
202-10006-05, June 2005
Figure 5-7: Rule example: Blocking Instant Messenger
The parameters are:
• Service
From this list, select the application or service to be allowed or blocked. The list already
displays many common services, but you are not limited to these choices. Use the Add Custom
Service feature to add any additional services or applications that do not already appear.
• Action
Choose how you want this type of traffic to be handled. You can block or allow always, or you
can choose to block or allow according to the schedule you have defined in the Schedule
menu.
• LAN Users
These settings determine which packets are covered by the rule, based on their source LAN IP
address. Select the desired option:
– Any — all IP addresses are covered by this rule.
– Address range — if this option is selected, you must enter the Start and Finish fields.
– Single address — enter the required address in the Start field.