ZyXEL Communications Prestige 662HW Series, Руководство пользователя

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Prestige 662HW Series User’s Guide
Firewall Configuration 12-5
Table 12-1 Firewall: Default Policy
LABEL DESCRIPTION
Allow
Asymmetrical
Route Select this check box to have the Prestige firewall permit the use of triangle route topology
on the network. See the appendix
for more on triangle route topology.
Packet Direction This is the direction of travel of packets ( LAN to LAN/Router , LAN to WAN , WAN to
WAN/Route and WAN to LAN ).
Firewall rules are grouped based on the direction of travel of packets to which they apply.
For example,
LAN to LAN/Router means packets traveling from a computer/subnet on the
LAN to either another computer/subnet on the LAN interface of the Prestige or the Prestige
itself.
Default Action Use the radio buttons to select whether to Block (silently discard) or Forward (allow the
passage of) packets that are traveling in the selected direction.
Log Select the check box to create a log (when the above action is taken) for packets that are
traveling in the selected direction and do not match any of the rules below.
Back Click Back to return to the previous screen.
Apply Click Apply to save your changes back to the Prestige.
Cancel Click Cancel to begin configuring this screen afresh.
12.6 Rule Summary
The ordering of your rules is very important as rules are applied
in turn.
Click on Firewall , then Rule Summary to bring up the following screen. This screen is a summary of
the existing rules. Note the order in which the rules are listed.