ZyXEL Communications P-334W User Manual

Prestige 334W User’s Guide 

30-12  

 

Filter Configuration 

Filter 
Type 

Use [SPACE BAR] and then [ENTER] to select a rule type. Parameters 
displayed below each type will be different. TCP/IP filter rules are used to 
filter IP packets while generic filter rules allow filtering of non-IP packets. 

Rule 

 TCP/IP Filter 

Rule 

Active 

Select Yes to turn on the filter rule or No to turn it off. 

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. 

0-255 

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.  

0-8 

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 

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: 
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. 

Action 
Matched 

Select the action for a packet matching the rule. 

 

Rule 

 Forward 

Action 
Not 
Matched 

Select the action for a packet not matching the rule. 

 

Rule 

 Forward 

Once you have completed filling in Menu 21.4.1.1 - Generic Filter Rule, 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.