ZyAIR Wireless Gateway Series User’s Guide

Table 24-3 Menu 21.1.1 TCP/IP Filter Rule

FIELD

DESCRIPTION

EXAMPLE

 

 

 

IP Addr

Type the destination IP address of the packet you want to

 

 

filter. This field is ignored if it is 0.0.0.0.

 

 

 

 

IP Mask

Type the IP mask to apply to the Destination: IP Addr field.

 

 

 

 

Port #

Type the destination port of the packets you want to filter.

0 to 65535

 

The field range is 0 to 65535. A 0 field is ignored.

 

 

 

 

Port # Comp

Select the comparison to apply to the destination port in the

None

 

packet against the value given in Destination: Port #.

 

 

Choices are None, Less, Greater, Equal or Not Equal.

 

Source:

 

 

 

 

 

IP Addr

Type the source IP Address of the packet you want to filter.

 

 

A 0.0.0.0 field is ignored.

 

IP Mask

Type the IP mask to apply to the Source: IP Addr field.

 

 

 

 

Port #

Type the source port of the packets you want to filter. The

0 to 65535

 

range of this field is 0 to 65535. A 0 field is ignored.

 

 

 

 

Port # Comp

Select the comparison to apply to the source port in the

None

 

packet against the value given in Source: Port # field.

 

 

Choices are None, Less, Greater, Equal or Not Equal.

 

TCP Estab

This applies only when the IP Protocol field is 6, TCP. If

No

 

Yes, the rule matches packets that want to establish TCP

(default)

 

connection(s) (SYN=1 and ACK=0); else it is ignored.

 

More

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

No

 

before an action is taken or else the packet is disposed of

(default)

 

according to the action fields.

 

 

If More is Yes, then Action Matched and Action Not

 

 

Matched will be N/A.

 

Log

Select the logging option from the following:

 

 

None – No packets will be logged.

None

 

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.

 

 

 

 

24-8

Filter and Firewall Configuration