ZyXEL Communications Prestige 100L Network Router User Manual


 
Prestige 100L IDSL Router
Filters 6-9
FIELD DESCRIPTION OPTION
Destination: Port #
Comp
Select the comparison to apply to the destination port in
the packet against the value given in Destination: Port #.
None/Less/Greater/
Equal/Not Equal
Source: IP Address Enter the source IP Address of the packet you wish to
filter. This field is disregarded if it has a 0.0.0.0 value.
IP Address
Source: IP Mask Enter the IP mask to apply to the 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. This field is
disregarded if it has a 0 value.
0 to 65535
Source: Port #
Comp
Select the comparison to apply to the source port in the
packet against the value given in Source: Port #.
None/Less/Greater/
Equal/Not Equal
TCP Estab
This field is applicable only when IP Protocol field is 6,
TCP. If Yes, the rule matches only established TCP
connections; or else the rule matches all TCP packets.
Yes/No
More
If Yes, a matching packet is passed to the next filter rule
before an action is taken; or else the packet is disposed of
according to the action fields.
If More is Yes, then Action Matched and Action Not
Matched is N/A.
Yes/No
Log Select the logging option from the following:
l None – No packet is logged.
l Action Matched – Only packets that match the rule
parameters are logged.
l Action Not Matched – Only packets that do not
match the rule parameters are logged.
l Both – All packets are logged.
None
Action Matched
Action Not Matched
Both
Action Matched Select the action for a matching packet. Check Next Rule
Forward
Drop
Action Not Matched
Select the action for a packet not matching the rule.
Check Next Rule
Forward
Drop
Once you have completed filling in Menu 21.1.1.1 - TCP/IP Filter Rule, press the [Enter] key at the
message [Press Enter to Confirm] to save your configuration, or press the [Esc] key to cancel. This data
is displayed on Menu 21.1.1 - Filter Rules Summary.
The following diagram illustrates the logic flow of an IP filter.