User`s guide

ADSL/VoIP Gateway User’s Guide
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Figure 59: Advanced Security: Create Application page
2. Type a unique name for your custom application, and select
the transport protocol from the Transport drop-down list.
Click Next>. The following page is displayed:
Figure 60: Advanced Security: Add Port page
3. Type a port range by entering the start and end of the range
in the two boxes provided. If you want to use a single port,
enter the port number in the first box and leave the second
box blank.
Note
You must ensure that the single port or range specified does not
overlap with a port or range for an existing common or custom
application. Check the common port ranges listed in Configuring
NAT Security on page 55.
Select the address translation type from the drop down list.
This controls the translation of binary IP addresses in the
payload of a packet (the part containing data). Click Next>.
The following page is displayed:
Figure 61: Advanced Security: Confirm Custom Application page