Figure 67 Example Filter: Menu 21.1.3.1 - Nortel 252 Configuration

148 Chapter 11 Filter configuration

Figure 67 Example Filter: Menu 21.1.3.1

Menu 21.1.3.1 - TCP/IP Filter Rule
Filter #: 3,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 6
Destination: IP Addr= 0.0.0.0
Source: IP Addr= 0.0.0.0
TCP Estab= No
More= No
Action Matched= Drop
Action Not Matched= Forward
Press ENTER to Confirm or ESC to Cancel:
When you press [ENTER] to confirm, the screen shown in
Note that there is only one filter rule in this set. The screen shows you that you
have configured and activated (A = Y) a TCP/IP filter rule (Type = IP, Pr = 6) for
destination Telnet ports (DP = 23). 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 = F) if the action is not matched, whether or
not there are more rules to be checked (there are none in this example).
NN47923-501
IP Source Route= No
IP Mask= 0.0.0.0
Port #= 23
Port # Comp= Equal
IP Mask= 0.0.0.0
Port #= 0
Port # Comp= None
Log= None
Press Space Bar to Toggle.
Figure 68 is displayed.