Table 8-5 Tcp/Ip Filter Rule Menu Fields - ZyXEL Communications Prestige 642 User Manual

Prestige 642 ADSL Internet Access Router
Field Description
Active This field activates/deactivates the filter rule.
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
IP Source Route If Yes, the rule applies to packet with IP source route
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
Addr 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
Mask Addr.
Destination: 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 a
don't-care if it is 0.
Destination: Port # Select the comparison to apply to the destination port in
Comp the packet against the value given in Destination: Port #.
Source: IP Addr Enter the source IP Address of the packet you wish to
filter. 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.
Source: 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 a don't-
care if it is 0.
Source: Port # Select the comparison to apply to the source port in the
Comp packet against the value given in Source: Port #.
TCP Estab This field is applicable only when IP Protocol field is 6,
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
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
Matched will be N/A.
Log Select the logging option from the following:
8-8

Table 8-5 TCP/IP Filter Rule Menu Fields

None – No packets will be logged.
Action Matched - Only packets that match the rule
parameters will be logged.
Option
Yes/No
0-255
Yes/No
IP address
Subnet mask
0-65535
None/Less/Greater/
Equal/Not Equal
IP Address
IP Mask
0-65535
None/Less/Greater/
Equal/Not Equal
Yes/No
Yes / N/A
None
Action Matched
Action Not Matched
Filter Configuration