ZyXEL Communications Prestige 645R-A Series - Manual (Page 160)

Prestige 645R-A Series User’s Guide
17-10 Filter Configuration
Table 17-3 Menu 21.x.1 TCP/IP Filter Rule
FIELD DESCRIPTION EXAMPLE
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. No
(default)
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 will be N/A.
No
(default)
Log Select the logging option from the following:
None – No packets will be logged.
Action Matched – Only packets that match the rule
parameters will be logged.
Action Not Matched – Only packets that do not match
the rule parameters will be logged.
Both – All packets will be logged.
None
Action Matched Select the action for a matching packet. Choices are
Check Next Rule, Forward or Drop. Check Next Rule
(default)
Action Not Matched Select the action for a packet not matching the rule.
Choices are Check Next Rule, Forward or Drop. Check Next Rule
(default)
When you have completed this menu, press [ENTER] at the prompt “Press ENTER to confirm or ESC to
cancel” to save your configuration or press [ESC] to cancel and go back to the previous screen.
The following figure illustrates the logic flow of an IP filter.