User's Manual 15. Security
Version 4.4.3 255 MP-20x Multimedia Home Gateway
4. Operation section (define the operation to apply on the IP addresses, matching the
criteria defined above): NAT or NAPT.
• NAT Addresses: NAT address into which the original IP address is translated.
The drop-down list displays all of your available NAT addresses/ranges from
which you can select an entry. If you would like to add a single address or a sub-
range from the given pool/range, select the 'User Defined' option. This
commences a sequence that adds a new Network Object, representing the new
host.
• NAPT Address: NAPT address into which the original IP address is translated.
The drop-down list displays all of your available NAPT addresses/ranges from
which you can select an entry. If you would like to add a single address or a sub-
range from the given pool/range, select the 'User Defined' option. This
commences a sequence that adds a new Network Object, representing the new
host. . Note, that in this case the network object may only be an IP address, as
NAPT is port-specific.
♦ NAPT Ports: specify the port(s) of the IP address into which the original IP
address is translated. Enter a single port or select 'Range' (the screen
refreshes, enabling you to enter a range of ports).
5. Select the 'Log Packets Matched by This Rule' check box to log the first packet from a
connection that was matched by this rule.
6. By default, the 'Schedule' rule is always active. However, you can configure scheduler
rules to define time segments during which the rule may be active.
7. Click OK to save the settings.
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