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Reference Manual for the ProSafe VPN Firewall 25 with 4 Gigabit LAN and Dual WAN Ports
Firewall Protection and Content Filtering 6-15
202-10085-01, March 2005
Outbound Rule Example: Blocking Instant Messenger
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
firewall log any attempt to use Instant Messenger during that blocked period.
Figure 6-9: Rule example: Blocking Instant Messenger