Edimax ER-1088 Available from Edimax USA Manual - Page 50
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Settings - Advanced Feature External Filters Configuration DNS Loopback Interface Binding Protocol & Port Binding • IDENT Port - Port 113 is associated with the Internet's (Identification / Authentication) service. When a client program in your computer contacts a remote server for services such as POP, IMAP, SMTP, that remote server sends back a query to the "Ident" server running in many systems listening for these queries on port 113. This means that hackers can probe port 113 as a rich source of your personal information. The default value of this check box is "Disable" • Block Selected ICMP Types - These settings determine whether or not this device should respond to ICMP requests received from the WAN port. If checked, the selected packet types are blocked. Otherwise, the packets are accepted. Used when you have some servers on the LAN and their domain names have already been registered on public DNS. To avoid DNS loop back problems, please enter the following fields: • Domain Name - Enter the domain name specified by you for the local server. • Private IP - Enter the private IP address of your local server. SMTP (Simple Mail Transport Protocol) Binding Unless you are using E-mail accounts from different ISPs on each port, you can ignore these settings. Some ISPs configure their E-mail Servers so they will not accept E-mail from IP addresses not allocated by them. If you are using accounts from different ISPs, sending E-mail over the wrong WAN port may result in the mail not being accepted. In this case, you can use these settings to correct the problem: • Enable - If enabled, the WAN port you specify below will be used for all outgoing SMTP traffic. If not enabled, either WAN port will be used. • WAN - Select the desired WAN port to be bound. Protocol and Port Binding Use these settings if you wish to ensure that particular traffic is sent by a specific WAN port, and thereby a particular ISP account. • Enable - Enable or disable each item as required. • Source IP - IP address of source from which packets are sent. • Destination IP - IP address of destination to which packets are sent. • Subnet Mask - With a subnet mask other than 255.255.255.255, you can make an IP sub-network as your destination. • Protocol - Select protocol type used by the traffic you wish to configure. • Port Range - Enter the beginning and end of the port range used by the traffic you wish to configure. If only a single port is used, enter the port number in both fields. • WAN - Select the WAN port you wish this traffic to use. Page 46