Filter
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Prestige 310 Broadband Sharing Gateway
7-16 Filters
When you press [Enter] to confirm, you will see the next screen. Note that there is only one filter rule in this
set.
Figure 7-12 Example Filter Rules Summary – Menu 21.3
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.
Menu 21.3 - Filter Rules Summary
# A Type Filter Rules M m n
- - ---- --------------------------------------------------------------- - - -
1 Y IP Pr=6, SA=0.0.0.0, DA=0.0.0.0, DP=21 N D N
2 N
4 N
5 N
6 N
Enter Filter Rule Number (1-6) to Configure: 2
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).
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).