ZyXEL Communications P-660HW-Tx v3 User Manual page 184

Chapter 9 Firewalls
Delete Any in the Source Address List box by clicking Delete.
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Firewall Example: Edit Rule: Destination Address
Select Range Address from the Address Type drop list of Destination
8
Address.
Enter the IP address range of the ZyXEL Device (192.168.1.1) and computers on
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your network (192.168.1.2 - 192.168.1.254) into the Start IP Address and End
IP Address fields. The IP addresses must be in dotted decimal notation. Then
click Add.
10 Delete Any in the Source Address List box by clicking Delete.
11 Select TELNET(TCP:23) from the Available Service list. Use the Add >>
button to add it to the Selected Services list. Use the Remove button to remove
services you do not need.
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P-660HW-Tx v3 User's Guide