ZyXEL Communications P-660 series Guia do Utilizador descarregar pdf (Página 111)

Chapter 8 Packet Filters

P-660R-F1 Series User’s Guide

111

8.2.4 Configuring Generic Packet Rules

Use this screen to configure generic filter rules. In the Edit (Generic Filter) screen, click the Edit

button from the Modify field to display the following screen.

Figure 68 Security > Packet Filter > Edit (Generic Filter) > Edit Rule

The following table describes the labels in this screen.

Table 40 Security > Packet Filter > Edit (Generic Filter) > Edit Rule

LABEL DESCRIPTION

Active Select the check box to enable the filter rule.

Offset Enter the starting byte of the data portion in the packet that you wish to

compare. The range for this field is from 0 to 255.

Length Enter the byte count of the data portion in the packet that you wish to

compare. The range for this field is 0 to 8.

Mask Enter the mask (in hexadecimal notation) to apply to the data portion

before comparison.

Value Enter the value (in hexadecimal notation) to compare with the data

portion.

More Select Yes to pass a matching packet to the next filter rule before an

action is taken.

Select No to act upon the packet according to the action fields.

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ZyXEL Communications P-660 series Guia do Utilizador Página 111