ZyXEL Communications ZyXEL Prestige 310 User Manual page 94

Prestige 310 Broadband Sharing Gateway
When you press [Enter] to confirm, you will see the next screen. Note that there is only one filter rule in this
set.
# A Type
- - ---- --------------------------------------------------------------- - - -
1 Y IP Pr=6, SA=0.0.0.0, DA=0.0.0.0, DP=21
2 N
4 N
5 N
6 N
This shows you that you have
configured and activated (A =
Y) a TCP/IP filter rule (Type =
IP, Pr = 6) for destination FTP
ports (DP = 21).
Figure 7-12
Step 6.
Enter 2 in the above menu to configure the second rule.. Configure this filter rule with port
number as 23 (Telnet) as shown in the next screen (after you press [ENTER] to confirm.
7-16
Menu 21.3 - Filter Rules Summary
Filter Rules
Enter Filter Rule Number (1-6) to Configure: 2
Example Filter Rules Summary – Menu 21.3
M = N means an action can be taken
immediately. The action is to drop the
packet (m = D) if the action is matched and
to forward the packet immediately (n = N) if
the action is not matched and there are more
rules to be checked (there is one more in this
example).
M m n
N D N
Filters