PLANET SG-4800 - Manual (Page 84)

Gigabit SSL VPN Security Router User’s Manual
8.2 Session control
Session management controls the acceptable maximum simultaneous sessions of Intranet PCs. This function
is very useful for managing connection quantity when P2P software such as BT, Thunder, or emule is used in
the Intranet causing large numbers of sessions. Setting up proper limitations on sessions can effectively
control the sessions created by P2P software. It will also have a limiting effect on bandwidth usage.
In addition, if any Intranet PC is attacked by a virus like Worm.Blaster and sends a huge number of session
requests, session control will restrict that as well.
Session Control and Scheduling
Item Description
Disabled Disable Session Control function.
Single IP cannot
exceed __ session
This option enables the restriction of maximum external sessions to each Intranet
PC. When the number of external sessions reaches the limit, to allow new
sessions to be built, some of the existing sessions must be closed. For example,
when BT or P2P is being used to download information and the sessions exceed
the limit, the user will be unable to connect with other services until either BT or
P2P is closed.
When single IP exceed
__ If this function is selected, when the user’s port session reach the limit, this user
will not be able to make a new session for five minutes. Even if the previous
session has been closed, new sessions cannot be made until the setting time
ends.
If this function is selected, when the user’s port connections reach the limit, all the
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