ZyXEL Communications P8701T Guia do Utilizador descarregar pdf (Página 120)

Chapter 7 Firewall

Basic Home Station VDSL2 P8701T User’s Guide

120

The following table describes the labels in this screen.

7.2.1 Default Policy Configuration

In the Firewall General screen, click Add or click an entry’s Edit icon to configure a firewall policy.

Figure 42 Firewall General: Add

The following table describes the labels in this screen.

Table 35 Firewall General

LABEL DESCRIPTION

Active Firewall Select this check box to activate the firewall. The VDSL Router performs access control and

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

No. This displays the index number of the default firewall policy.

Active

This field displays whether a policy is turned on or not. Select the check box to enable the

policy. Clear the check box to disable the policy.

Name This displays the name of the policy.

Interface This displays the LAN or WAN interface(s) to which this policy is applied.

Direction This displays the direction of travel of packets (In and Out).

Firewall rules are grouped based on the direction of travel of packets to which they apply.

Default Action This displays the default action that the firewall is to take on packets that are traveling in the

selected direction and do not match any of the firewall rules.

Drop: the VDSL Router silently discards the packets without sending a TCP reset packet or an

ICMP destination-unreachable message to the sender.

Permit: the VDSL Router allows the passage of the packets.

Remove Select entries and click the Remove button to delete them.

Edit Click the Edit button to go to the screen where you can edit the rule.

Add Click Add to create a new policy.

Apply Click Apply to save your changes back to the VDSL Router.

Table 36 Firewall General: Add

LABEL DESCRIPTION

Active Select this check box to enable the rule.

Name Enter a descriptive name using printable English keyboard characters.

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ZyXEL Communications P8701T Guia do Utilizador Página 120