Draytek vigor2920 series User Manual page 181

Item Description
Window size – It determines the size of TCP protocol
(0~65535). The more the value is, the better the performance
will be. However, if the network is not stable, small value will
be proper.
Session timeout–Setting timeout for sessions can make the
best utilization of network resources. However, Queue timeout
is configured for TCP protocol only; session timeout is
configured for the data flow which matched with the firewall
rule.
DrayTek Banner – Please uncheck this box and the following
screen will not be shown for the unreachable web page. The
default setting is Enabled.
Strict Security Checking - All the packets, while transmitting
through Vigor router, will be filtered by firewall settings
configured by Vigor router. When the resource is inadequate,
the packets will be blocked if Strict Security Checking is
enabled. If Strict Security Checking is not enabled, then the
packets will pass through the router.
APP Enforcement – Check this box to execute the critical
checking for all the files transferred via IM/P2P.
After finishing all the settings here, please click OK to save the configuration.
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Vigor2920 Series User's Guide