ZyXEL Communications Prestige 645R, Руководство пользователя

Страница: 118 / 180

Prestige 645 ADSL Internet Access Router
Filter Configuration 8-19
FIELD DESCRIPTION
Destination/Source
Network # Enter the destination/source network numbers (4-byte in
hexadecimal) of the packet that you wish to filter.
Destination/Source Node
# Enter the destination/source node number (6-byte in
hexadecimal) of the packet you wish to filter.
Destination/Source
Socket # Enter the destination/source socket number (2-byte in
hexadecimal) of the packets that you wish to filter.
Destination/Source
Socket # Comp Select the comparison you wish to apply to the
destination/source socket in the packet against that specified
above. Choose from
Equal , Not Equal , Less , Greater or None .
Operation This field is applicable only if one of the Socket # fields is 0452
or 0453 indicating SAP and RIP packets. There are seven
options for this field that specify the type of the packet.
None
RIP Request
RIP Response
SAP Request
SAP Response
SAP Get Nearest Server Request
SAP Get Nearest Server Response
Once you have completed filling in Menu 21.1.1 - IPX Filter Rule , press [ENTER] at the
message [Press ENTER to Confirm] to save your configuration, or press [ESC] to cancel. This
data will now be displayed on
Menu 21.1 - Filter Rules Summary .
8.4 Example Filter
Let’s look at a TELNET_WAN filter that block s outside users from telnetting into the Prestige. Please see
the supporting CD that came with your Prestige for more example filters. This filter is designed.
Step 1. Enter 21 from the main menu to open Menu 21 - Filter Set Configuration .
Step 2. Enter the index of the filter set you wish to configure (for example, 3) and press [ENTER]
.