ZyXEL Communications 480 User Manual

Page 102

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Prestige 480 ISDN Router

7-8

Filter Configuration

Destination: IP
Addr

Enter the destination IP Address of the packet you wish to
filter. This field is a don’t-care if it is 0.0.0.0.

IP address

Destination: IP
Mask

Enter the IP subnet mask to apply to the Destination: IP
Addr.

Subnet mask

Destination: Port #

Enter the destination port of the packets that you wish to
filter. The range of this field is 0 to 65535. This field is a
don’t-care if it is 0.

0-65535

Destination: Port #
Comp

Select the comparison to apply to the destination port in
the packet against the value given in Destination: Port #.

None/Less/Greater/

Equal/Not Equal]

Source: IP Addr

Enter the source IP Address of the packet you wish to
filter. This field is a don’t-care if it is 0.0.0.0.

IP Address

Source: IP Mask

Enter the IP subnet mask to apply to the Source: IP Addr.

IP Mask

Source: Port #

Enter the source port of the packets that you wish to filter.
The range of this field is 0 to 65535. This field is a don’t-
care if it is 0.

0-65535

Source: Port #
Comp

Select the comparison to apply to the source port in the
packet against the value given in Source: Port #.

None/Less/Greater/

Equal/Not Equal

TCP Estab

This field is applicable only when IP Protocol field is 6,
TCP. If yes, the rule matches only established TCP
connections; else the rule matches all TCP packets.

Yes/No

More

If yes, a matching packet is passed to the next filter rule
before an action is taken; else the packet is disposed of
according to the action fields.

If More is Yes, then Action Matched and Action Not
Matched will be No.

Yes / No

Log

Select the logging option from the following:
l None – No packets will be logged.
l Action Matched - Only packets that match the rule

parameters will be logged.

l Action Not Matched - Only packets that do not

match the rule parameters will be logged.

l Both – All packets will be logged.

None

Action Matched

Action Not Matched

Both

Action Matched

Select the action for a matching packet.

Check Next Rule

Forward

Drop

Action Not Matched

Select the action for a packet not matching the rule.

Check Next Rule

Forward

Drop

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