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ZyXEL Communications G-2000 Plus User Manual

Page 319

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ZyAIR G-2000 Plus User’s Guide

Chapter 29 Filter Configuration

318

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 ignored if it is 0.

0-65535

Port # Comp

Press [SPACE BAR] and then [ENTER] to 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 Address

Enter the source IP Address of the packet you wish to filter. This

field is ignored if it is 0.0.0.0.

0.0.0.0

IP Mask

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

0.0.0.0

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 ignored if it is 0.

0-65535

Port # Comp

Press [SPACE BAR] and then [ENTER] to 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 the IP Protocol field is 6, TCP.

Press [SPACE BAR] and then [ENTER] to select Yes, to have

the rule match packets that want to establish a TCP connection

(SYN=1 and ACK=0); if No, it is ignored.

Yes
No

More

Press [SPACE BAR] and then [ENTER] to select Yes or No. If

Yes, a matching packet is passed to the next filter rule before an

action is taken; if No, the packet is disposed of according to the

action fields.
If More is Yes, then Action Matched and Action Not Matched

will be N/A.

Yes
No

Log

Press [SPACE BAR] and then [ENTER] to select a logging

option from the following:

None – No packets will be logged.

Action Matched - Only packets that match the rule parameters

will be logged.

Action Not Matched - Only packets that do not match the rule

parameters will be logged.
Both – All packets will be logged.

None
Action

Matched
Action Not

Matched
Both

Action Matched

Press [SPACE BAR] and then [ENTER] to select the action for a

matching packet.

Check Next

Rule
Forward
Drop

Action Not Matched Press [SPACE BAR] and then [ENTER] to select the action for a

packet not matching the rule.

Check Next

Rule
Forward
Drop

When you have Menu 21.1.1.1 - TCP/IP Filter Rule configured, press [ENTER] at the message “Press

ENTER to Confirm” to save your configuration, or press [ESC] to cancel. This data will now be

displayed on Menu 21.1.1 - Filter Rules Summary.

Table 108 TCP/IP Filter Rule

FIELD

DESCRIPTION

OPTIONS