Zyxel-communications G.SHDSL.bis 4-port Security Gateway P-793H Instrukcja Użytkownika Pobierz pdf (Strona 137)

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P-793H User’s Guide

Chapter 9 Firewall Configuration 137

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 119 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 57 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 38 Firewall > General (continued)

LABEL DESCRIPTION

1 2 ... 132 133 134 135 136 137 138 139 140 141 142 ... 431 432

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