Security Settings
54
N150 Wireless ADSL2+ Modem Router DGN1000
Always. Any traffic for this service type is logged.
Match. Traffic of this type that matches the settings and action is logged.
Not match. Tr
affic that does not match the settings and action are logged.
Configure Services
Services are functions performed by server computers at the request of client computers. For
example, web servers serve web pages, time servers serve time and date information, and
game hosts serve data about other players’ moves. When a computer on the Internet sends a
request for service to a server computer, the requested service is identified by a service or
port number. This number appears as the destination port number in the transmitted IP
packets. For example, a packet that is sent with destination port number 80 is an HTTP (web
server) request.
The service numbers for many common protocols are defined by the Internet Engineering
Task F
orce (IETF at http://www.ietf.org/) and published in RFC1700, “Assigned Numbers.”
Service numbers for other applications are typically chosen from the range 1024 to 65535 by
the authors of the
application. Although the wireless modem router already holds a list of
many service port numbers, you are not limited to these choices.
To create your own service definitions:
1. Select Security > Services to displa
y the following screen:
• To create a new service, click the Add Custom Service button to display the Add
Services screen.
• To edit a service, select its button on the left side of the table, and click Edit Service.
• To delete a service, select its button on the left side of the table, and click Delete
Service.
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