Zyxel-communications P-660H-D Series Bedienungsanleitung PDF herunterladen (Seite 117)

P-660R/H-D Series User’s Guide

Chapter 11 Firewall Configuration 116

Figure 42 Firewall: Default Policy

The following table describes the labels in this screen.

11.6 Rule Summary

Note: The ordering of your rules is very important as rules are applied in turn.

Refer to Section 10.1 on page 98 for more information.

Table 32 Firewall: Default Policy

LABEL DESCRIPTION

Enable Firewall Select this check box to activate the firewall. The Prestige performs access control

and protects against Denial of Service (DoS) attacks when the firewall is activated.

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/Router, 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.

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