P314 Broadband Sharing Gateway with 4-Port Switch

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

 

 

More= No

 

Log= None

Action Matched= Drop

Action Not Matched= Check Next Rule

Press ENTER to Confirm or ESC to Cancel:

Press Space Bar to Toggle.

 

Figure 7-7

Menu 21.1.1.1 – TCP/IP Filter Rule

 

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

 

 

Table 7-4

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

Addr

filter. This field is disregarded if it is 0.0.0.0.

 

 

 

 

Destination: IP

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

IP mask

Mask

 

 

 

 

 

 

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

 

 

disregarded if it is 0.

 

 

 

 

Destination: Port #

Select the comparison to apply to the destination port in

None/Less/Greater/

Comp

the packet against the value given in Destination: Port #.

Equal/Not Equal]

 

 

 

 

 

 

 

 

7-8

 

 

Filter Configuration