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Untangle Server User's Guide

Configuring Untangle Server as DNS Server

Domain Name Service (DNS) feature configures the Untangle Server as a DNS server for the internal (protected) network. The Untangle Server caches DNS lookups locally.

1. From the Navigation pane, choose Config > Networking.
2. Click the DNS Server tab. There are two tables:
   • Static DNS Entries.
   • Automatic DNS Entries.
3. Select the Enabled check box.
4. In the Domain Name Suffix field, type the domain name suffix, which is the domain name suffix (for example, acme.com) of your organization. The domain name suffix is used to ensure that a computer on the internal network can be accessed by its fully-qualified hostname (for example, host1.acme.com).

Caution: If the Domain Name Suffix field is not filled in, problems might occur when certain versions of Microsoft Windows servers attempt to resolve a hostname.

Next Step: To add DNS entries, go to Mapping Computer Hostnames To IP Addresses.

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Mapping Computer Hostnames To IP Addresses

With the Untangle Server as a DNS server, here are a few reasons to map an IP Address to a hostname:

• You have a computer on the internal network that does not have a DNS lookup entry, map that computer's hostname to an IP address so that other computers can access that computer.
• You want network users to be able to access a computer by hostname rather than IP address.
• You want to map a device to something more recognizable, such as a hostname.

Before You Begin:

• Configure Untangle Server as a DNS Server.
• Assign the computer a static IP address if it doesn't already have one.

1. From the Navigation pane, choose Config > Networking.
2. Click the DNS Server tab.
3. Click the add (+) button. A new row appears in the table.
4. In the new row, specify the computer's hostname(s), static IP address, and description.
5. Click Save.
6. (Optional) To make this mapping available to VPN clients, go to OpenVPN and select the export DNS check box:

Figure, Exporting DNS for VPN Clients

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