Wireless Gateway Series User's Guide

ZyAIR Wireless Gateway Series User’s Guide
Filter and Firewall Configuration 24-13
is receiving and sending the packets; for instance, the interface. The interface can be an Ethernet, or any
other hardware port. The following figure illustrates this.
Figure 24-10 Protocol and Device Filter Sets
24.5 Example Filter
Let’s look at an example to block outside users from telnetting into the ZyAIR.
Figure 24-11 Sample Telnet Filter
Step 1. Enter 1 in menu 21 to open Menu 21.1 – Filter Set Configuration.
Step 2. Enter the index number of the filter set you want to configure (in this example, 3)
.
Step 3. Type a descriptive name or comment in the Edit Comments field (for example,
TELNET_WAN) and press [ENTER].