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Advanced Configuration – Advanced Feature

External Filters Configuration

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, they are accepted.

DNS Loopback - When you have some servers on the LAN and their domain names have already been registered on a public DNS you can avoid a DNS loop back problem by entering the following fields.

Domain Name – Enter the domain name specified by you for local server.

Private IP – Enter the private IP address of your local server.

Interface Binding - 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 non-acceptance of the mail. In this case, you can use these

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HotBrick VPN 800/8 F manual Advanced Configuration Advanced Feature, External Filters Configuration