ZyXEL Communications 128MH - Manual (Page 134)

Prestige 128MH PSTN Router/Hub
9-8 Chapter 9 Filter Configuration
The following Table 9-5 describes how to configure your TCP/IP filter rule.
Table 9-5. TCP/IP Filter Rule Menu Fields
Field Description Option
Active In this field, you can make the filter rule active or inactive. [Yes/No]
IP Protocol Protocol refers to the IP specific number of the protocol.
The range for this value should be between 0 and 255. For
example, 6 refers to the TCP protocol. [0-255]
IP Source Route Determine, Yes or No, whether to check the source route. [Yes/No]
Destination: IP
Addr In this field, enter the destination IP Address of the packet
you wish to filter. The address is usually written in dotted
decimal notation such as a.b.c.d where a, b, c, and d are
numbers between 0 and 255. [a.b.c.d] where
a,b,c,d=[0-255]
Destination: IP
Mask In this field, enter the IP mask that will be used to mask the
bits of the IP Address given in Destination: IP Addr. IP Address
Destination: Port # Enter the destination port of the packets that you wish to
filter. The range of this field is 0 to 65535. [0-65535]
Destination: Port #
Comp In this field, you can select what comparison quantifier you
wish to use to compare to the value given in Source: Port #. [None/Less/Greater/E
qual/Not Equal]
Source: IP Addr In this field, enter the source IP Address of the packet you
wish to filter.
The address is usually written in dotted decimal notation
such as a.b.c.d where a, b, c, and d are numbers between
0 and 255.
IP Address
[a.b.c.d] where
a,b,c,d=[0-255]
Source: IP Mask In this field, enter the IP mask that will be used to mask the
bits of the IP Address given in Source: IP Addr. IP Mask
Source: Port # Enter the source port of the packets that you wish to filter.
The range of this field is 0 to 65535. [0-65535]
Source: Port #
Comp This field is dependent upon the IP Protocol field.
This field will be inactive (N/A) unless the value in that field
is 6 (TCP protocol). In this field you determine what type of
[Yes/No]