ZyXEL Communications Prestige 643 User Manual
Page 110

Prestige 643 ADSL Router
8-10
Filter
Configuration
FIELD
DESCRIPTION
EXAMPLE
Active
Choose Yes to activate and No to deactivate the filter rule.
Yes
(default)
IP Protocol
Protocol refers to the upper layer protocol, e.g., TCP is 6,
UDP is 17 and ICMP is 1. This value must be between 0
and 255
6
IP Source Route
Choose Yes if rule applyies to a packet with IP source
route option. Choose No if the packet does not have
source route option. The majority of IP packets do not
have source route.
No
(default)
Destination:
IP Address
Enter the destination IP Address of the packet you wish to
filter. This field is disregarded if it is 0.0.0.0.
0.0.0.0
IP Mask
Enter the IP mask to apply to the Destination. 0.0.0.0
Port #
Enter the destination port of the packets that you wish to
filter. The range of this field is 0 to 65535. This field is
disregarded if it is 0.
137
(default)
Port # Comp
Select the comparison to apply to the destination port in
the packet against the value given in the Destination:
Port # field. Choices are None, Less, Greater, Equal or
Not Equal.
None
Source:
IP Address
Enter the source IP Address of the packet you wish to
filter. This field is disregarded if it is 0.0.0.0.
IP Address
IP Mask
Enter the IP mask to apply to the Source: IP Addr field.
IP Mask
Port #
Enter the source port of the packets that you wish to filter.
The range of this field is 0 to 65535. This field is
disregarded if it is 0.
0-65535
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
Equal
TCP Estab
This field is applicable only when the IP Protocol field is 6,
TCP. If Yes, the rule matches packets that want to
establish a TCP connection (SYN=1 and ACK=0); else it is
ignored.
No
(default)
More
If Yes, a matching packet is passed to the next filter rule
before an action is taken; else the packet is disposed of
di
t th
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fi ld
No
(default)