Draytek Vigor2820 Series User Manual page 109

Codepage - This function is used to compare the characters among
different languages. Choose correct codepage can help the system
obtaining correct ASCII after decoding data from URL and
enhance the correctness of URL Content Filter. The default value
for this setting is ANSI 1252 Latin I. If you do not choose any
codepage, no decoding job of URL will be processed. Please use
the drop-down list to choose a codepage.
If you do not have any idea of choosing suitable codepage, please
open Syslog. From Codepage Information of Setup dialog, you will
see the recommended codepage listed on the dialog box.
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.
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Vigor2820 Series User's Guide