ExpWave 240B Secure Outdoor Ethernet Radio Link

Menu 21.1.1 - TCP/IP Filter Rule

Filter #: 1,1

Filter Type= TCP/IP Filter Rule

Active= Yes

IP Protocol= 6 IP Source Route= No

Destination: IP Addr= 0.0.0.0

IP Mask= 0.0.0.0

Port #= 137

Port # Comp= Equal

Source: IP Addr= 0.0.0.0

IP Mask= 0.0.0.0

Port #=

Port # Comp= None

TCP Estab= No

Log= None

More= No

Action Matched= Drop

Action Not Matched= Check Next Rule

Press ENTER to Confirm or ESC to Cancel:

Press Space Bar to Toggle.

Figure 9-4 Menu 21.1.1 - TCP/IP Filter Rule

The following table describes how to configure your TCP/IP filter rule.

Table 9-4 TCP/IP Filter Rule Menu Fields

Field

Description

Option

 

 

 

Active

This field activates/deactivates the filter rule.

Yes/No

 

 

 

IP Protocol

Protocol refers to the upper layer protocol, e.g., TCP is 6,

0-255

 

UDP is 17 and ICMP is 1. This value must be between 0

 

 

and 255

 

 

 

 

IP Source Route

If Yes, the rule applies to packet with IP source route

Yes/No

 

option; else the packet must not have source route option.

 

 

The majority of IP packets do not have source route.

 

 

 

 

Destination: IP

Enter the destination IP Address of the packet you wish to

IP address

Address

filter. This field is a don’t-care if it is 0.0.0.0.

 

 

 

 

Destination: IP

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

Subnet mask

Mask

Addr.

 

 

 

 

Destination: Port #

Enter the destination port of the packets that you wish to

0-65535

 

filter. The range of this field is 0 to 65535. This field is a

 

 

don’t-care if it is 0.

 

 

 

 

Destination: Port #

Select the comparison to apply to the destination port in the

None/Less/Greater/

Comp

packet against the value given in Destination: Port #.

Equal/Not Equal]

 

 

 

Source: IP Address

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

IP Address

 

This field is a don’t-care if it is 0.0.0.0.

 

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.

0-65535

 

The range of this field is 0 to 65535. This field is a

 

 

don’t-care if it is 0.

 

 

 

 

Source: Port #

Select the comparison to apply to the source port in the

None/Less/Greater/

Comp

packet against the value given in Source: Port #.

Equal/Not Equal

 

 

 

TCP Estab

This field is applicable only when IP Protocol field is 6,

Yes/No

 

TCP. If yes, the rule matches only established TCP

 

 

connections; else the rule matches all TCP packets.

 

 

 

 

More

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

Yes / N/A

 

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

 

9-4

Filter Setup

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ZyXEL Communications 240B manual TCP/IP Filter Rule Menu Fields
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