ZyAIR B-2000 Wireless LAN Gateway with 4-Port Switch

Table 7-3 TCP/IP Filter Rule Menu Fields

FIELD

DESCRIPTION

EXAMPLE

 

 

 

IP Source Route

IP Source Route is an optional header that dictates the route

No

 

an IP packet takes from its source to its destination. If Yes,

(default)

 

the rule applies to any packet with an IP source route. The

 

 

majority of IP packets do not have source route.

 

 

 

 

Destination:

Type the destination IP address of the packet you want to

IP address

IP Addr

 

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.

IP mask

 

 

 

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:

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

IP address

IP Addr

 

A 0.0.0.0 field is ignored.

 

 

 

 

 

 

IP Mask

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

IP mask

 

 

 

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.

 

7-8

Filter Configuration