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ProSafe Gigabit 8 Port VPN Firewall FVS318G Reference Manual
Firewall Protection and Content Filtering 4-19
v1.1, August 2010
Outbound Rules Example
Outbound rules let you prevent users from using applications such as Instant Messenger, Real
Audio or other non-essential sites.
LAN WAN Outbound Rule: 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 VPN firewall log any attempt to use Instant Messenger during that blocked
period.
Configuring Other Firewall Features
You can configure attack checks, set session limits, and manage the Application Level Gateway
(ALG) for SIP sessions.
Figure 4-12