Draytek VigorIPPBX 3510 User Manual page 132

VigorIPPBX 3510 Series User's Guide
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.
Strict Security Checking - All the packets, while transmitting
through Vigor router, will be filtered by firewall settings
configured by Vigor router if Strict Security Firewall is enabled.
If the firewall system does not have any response (pass or block)
for these packets, such as no response coming from Anti-Spam
server, then the router's firewall will block the packets directly.
In addition, you can restrict the strict security checking just be
done by specified server and conditions such as APP
Enforcement. Thus, the packets not only must be filtered by
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