ZyXEL Communications P-661H Series, Руководство пользователя, Страница: 163 / 383

P-661H/HW Series User’s Guide
Chapter 9 Firewall Configuration 163
9.7 Firewall Rules Summary
Note: The ordering of your rules is very important as rules are applied in turn.
Refer to Section 8.1 on page 145 for more information.
Click Security > Firewall > Rules to bring up the following screen. This screen displays a list
of the configured firewall rules. Note the order in which the rules are listed.
Figure 87 Firewall Rules
Default Action Use the drop-down list boxes to select the default action that the firewall is take on
packets that are traveling in the selected direction and do not match any of the
firewall rules.
Select
Drop to silently discard the packets without sending a TCP reset packet or
an ICMP destination-unreachable message to the sender.
Select
Reject to deny the packets and send a TCP reset packet (for a TCP packet)
or an ICMP destination-unreachable message (for a UDP packet) to the sender.
Select
Permit to allow the passage of the packets.
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 your customized
rules.
Expand... Click this button to display more information.
Basic... Click this button to display less information.
Apply Click Apply to save your changes back to the ZyXEL Device.
Cancel Click Cancel to begin configuring this screen afresh.
Table 60 Firewall: General (continued)
LABEL DESCRIPTION