Figure 187 Telnet Filter Example; Figure 188 Example Filter: Menu 21.1.3.1 - ZyXEL Communications P-870HW-I Series User Manual

P-870HW-I1 User's Guide

Figure 187 Telnet Filter Example

1 Enter 21 from the main menu to open Menu 21 - Filter and Firewall Setup.
2 Enter 1 to open Menu 21.1 - Filter Set Configuration.
3 Enter the index of the filter set you wish to configure (say 3) and press [ENTER]
4 Enter a descriptive name or comment in the Edit Comments field and press [ENTER].
5 Press [ENTER] at the message [Press ENTER to confirm] to open Menu 21.1.3 - Filter
Rules Summary
6 Enter 1 to configure the first filter rule (the only filter rule of this set). Make the entries in
this menu as shown in the following figure.

Figure 188 Example Filter: Menu 21.1.3.1

• Select Yes from the Active field to activate this rule.
• 6 is the TCP IP Protocol.
298
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:
Press Space Bar to Toggle.
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
Chapter 30 Filter Setup
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