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ZyXEL Communications 480 User Manual

Page 98

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Prestige 480 ISDN Router

7-4

Filter Configuration

Type

Refers to the type of filter rule. This
shows GEN for Generic and IP for
TCP/IP.

[GEN] for Generic.

[IP] for TCP/IP.

Filter Rules

The filter rule parameters will be
displayed here (see below).

M

Refers to More.
[Y] means an action can not yet be taken
as there are more rules to check, which
are concatenated with the present rule
to form a rule chain. When the rule chain
is complete an action can be taken.

[N] means you can now specify an action
to be taken i.e., forward the packet, drop
the packet or check the next rule. For the
latter, the next rule is independent of the
rule just checked

If More is Yes, then Action Matched and
Action Not Matched will be N/A.

[Y] means there are more rules to check.

[N] means there are no more rules to check.

m

Refers to Action Matched.

[F] means to forward the packet
immediately and skip checking the
remaining rules.

[F] means to forward the packet.

[D] means to drop the packet.

[N] means check the next rule.

n

Refers to Action Not Matched

[F] means to forward the packet
immediately and skip checking the
remaining rules.

[F] means to forward the packet.

[D] means to drop the packet.

[N] means check the next rule.

The protocol dependent filter rules abbreviation are listed as follows:

l If the filter type is IP, the following abbreviations listed in the following table will be used.