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UTT Technologies Chapter 5 System Status
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model.
z Source IP: Select it to display the active NAT sessions related to a LAN user,
which is specified by entering his or her IP address in the Filter Value text box.
You can use this option to search the Internet activities of the specified LAN user.
z Destination IP/Domain: Select it to display the active NAT sessions related to
an Internet site, which is specified by entering its IP address or domain name in
the Filter Value text box. You can use this option to search the LAN users who
are accessing the specified website.
z Destination Port: Select it to display the active NAT sessions related to a
network service, which is specified by entering the service port number in the
Filter Value text box. You can use this option to search the LAN users who are
accessing the specified service. The following provides port numbers of some
well-known services: ftp-TCP21, ssh-TCP22, telnet-TCP23, smtp-TCP25,
dns-UDP53, finger-TCP79, http-TCP80, pop3-TCP110, snmp-UDP161, etc. For
more information, please refer to Appendix D Common Service Ports.
z NAT Translated IP/Domain: Select it to display the active NAT sessions related
to an Internet connections IP address or domain name, which is specified in the
Filter Value text box. When using multi-NAT (that is, you get multiple public IP
addresses from your ISP), you can use this option to search the Internet
activities of the LAN users who are using the specified public IP address to
access the Internet.
Filter Value: It specifies the filter value for filtering and displaying the NAT sessions.
You should specify it according the selected Filter Option.
Predefined Port: It provides port numbers of some well-known services for you to
choose. If you select Destination Port from the Filter Option drop-down list, you
may select a service port number here.
¾ Search: After specifying the Filter Option and Filter Value (if needed), click the
Search button to search and display all the active NAT sessions in accordance with
your criteria in the NAT Session List.