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Reference Manual for the ProSafe Wireless 802.11g Firewall/Print Server Model FWG114P v2
6-10 Firewall Protection and Content Filtering
201-10301-02, May 2005
• IP address of the Internet site being contacted (destination address)
•Time of day
• Type of service being requested (service port number)
Outbound Rule Example: Blocking Instant Messaging
If you want to block Instant Messenger usage by employees during working hours, you can create
an outbound rule to block that application from any internal IP address to any external address
according to the schedule that you have created in the Schedule menu. You can also have the router
log any attempt to use Instant Messenger during that blocked period.
Figure 6-7: Rule example: Blocking Instant Messenger
Other Rules Considerations
The order of precedence of rules is determined by the position of the rule on a list of many rules.
Also, there are optional Rules settings you can configure. These topics are presented here.