Table 16-3 Tcp/Ip Filter Rule Menu Fields - ZyXEL Communications Prestige 652 User Manual

FIELD
Filter # This is the filter set, filter rule coordinates, for instance, 2, 3 refers to
the second filter set and the third filter rule of that set.
Filter Type Use [SPACE BAR] and then [ENTER] to choose a rule. Parameters
displayed for each type will be different. Choices are TCP/IP Filter
Rule or Generic Filter Rule.
Active Use [SPACE BAR] and then [ENTER] to select Yes to activate or
No to deactivate the filter rule.
IP Protocol This is the upper layer protocol, for example, TCP is 6, UDP is 17
and ICMP is 1. The value must be between 0 and 255. A value of O
matches ANY protocol.
IP Source IP Source Route is an optional header that dictates the route an IP
Route packet takes from its source to its destination. If Yes, 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 filter. This
field is ignored if it is 0.0.0.0.
IP Addr
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. 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 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. A
0.0.0.0 field is ignored.
IP Addr
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 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 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 Yes, the
rule matches packets that want to establish TCP connection(s)
(SYN=1 and ACK=0); else it is ignored.
Filter Configuration

Table 16-3 TCP/IP Filter Rule Menu Fields

DESCRIPTION
Prestige 652 ADSL Security Router
EXAMPLE
7,1
TCP/IP Filter
Rule
No
(default)
0 to 255
No
(default)
IP address
IP mask
0 to 65535
None
IP address
IP mask
0 to 65535
None
No
(default)
16-9